{"product_id":"gwhdb56","title":"GEARWRENCH 56 oz. Shock-Absorbing Dead Blow Hammer Unit Only (GWHDB56)","description":"\u003ch1\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2274\/5945\/files\/Screenshot_2026-09-24_112102.png?v=1790267293\" alt=\"\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/h1\u003e\n\u003ch1\u003e\u003cspan style=\"color: rgb(234, 90, 0);\"\u003e56 oz. Dead Blow Hammer\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp dir=\"auto\" data-start=\"1979\" data-end=\"2434\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong data-start=\"1983\" data-end=\"2005\"\u003eGEARWRENCH GWHDB56\u003c\/strong\u003e is a 56 oz. dead blow hammer engineered to deliver controlled striking force while minimizing rebound through a steel shot-filled head. Designed for automotive technicians, industrial maintenance professionals, mechanics, fabricators, and equipment service trades, its shock-absorbing construction maximizes impact transfer while reducing bounce-back during demanding striking applications. \u003cspan class=\"contents\" data-content-reference-start=\"2343\" data-content-reference-end=\"2362\"\u003e\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"t4s7oa\" dir=\"auto\" data-start=\"2436\" data-end=\"2453\"\u003e\u003cspan style=\"color: rgb(234, 90, 0);\"\u003eBest Used For\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2455\" data-end=\"2921\"\u003e\n\u003cli data-section-id=\"1pepmp0\" data-start=\"2455\" data-end=\"2627\"\u003e\n\u003cstrong data-start=\"2457\" data-end=\"2488\"\u003eAutomotive Service \u0026amp; Repair\u003c\/strong\u003e — Apply controlled impact during brake, suspension, wheel, drivetrain, and general mechanical service where reduced rebound is beneficial.\u003c\/li\u003e\n\u003cli data-section-id=\"jqnz5m\" data-start=\"2628\" data-end=\"2780\"\u003e\n\u003cstrong data-start=\"2630\" data-end=\"2667\"\u003eIndustrial Maintenance \u0026amp; Assembly\u003c\/strong\u003e — Deliver concentrated striking force for machinery positioning, assembly, alignment, and equipment maintenance.\u003c\/li\u003e\n\u003cli data-section-id=\"h1m6wp\" data-start=\"2781\" data-end=\"2921\"\u003e\n\u003cstrong data-start=\"2783\" data-end=\"2810\"\u003eFabrication \u0026amp; Shop Work\u003c\/strong\u003e — Perform repetitive controlled striking where conventional hammer rebound can reduce accuracy and efficiency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"bk1z04\" dir=\"auto\" data-start=\"2923\" data-end=\"2960\"\u003e\u003cspan style=\"color: rgb(234, 90, 0);\"\u003eKey Performance \u0026amp; Safety Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2962\" data-end=\"4058\"\u003e\n\u003cli data-section-id=\"wsd50s\" data-start=\"2962\" data-end=\"3114\"\u003e\n\u003cstrong data-start=\"2964\" data-end=\"2987\"\u003e56 oz. Head Weight:\u003c\/strong\u003e Provides substantial striking mass for demanding automotive and industrial applications. \u003cspan class=\"contents\" data-content-reference-start=\"3005\" data-content-reference-end=\"3024\"\u003e\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"y8u01n\" data-start=\"3115\" data-end=\"3309\"\u003e\n\u003cstrong data-start=\"3117\" data-end=\"3137\"\u003eSteel Shot Core:\u003c\/strong\u003e A canister filled with steel shot inside the head creates the dead blow effect, helping reduce rebound while sustaining impact force. \u003cspan class=\"contents\" data-content-reference-start=\"3182\" data-content-reference-end=\"3201\"\u003e\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"98b8cn\" data-start=\"3310\" data-end=\"3491\"\u003e\n\u003cstrong data-start=\"3312\" data-end=\"3343\"\u003eShock-Absorbing Technology:\u003c\/strong\u003e Dead blow construction minimizes bounce-back and maximizes transferred striking force for controlled impacts. \u003cspan class=\"contents\" data-content-reference-start=\"3346\" data-content-reference-end=\"3365\"\u003e\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1h3a40i\" data-start=\"3492\" data-end=\"3666\"\u003e\n\u003cstrong data-start=\"3494\" data-end=\"3530\"\u003ePolyurethane-Coated Steel Frame:\u003c\/strong\u003e GEARWRENCH specifies a steel-frame handle with polyurethane coating for durable professional use. \u003cspan class=\"contents\" data-content-reference-start=\"3503\" data-content-reference-end=\"3522\"\u003e\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1i0fsmb\" data-start=\"3667\" data-end=\"3882\"\u003e\n\u003cstrong data-start=\"3669\" data-end=\"3699\"\u003eOil \u0026amp; Chemical Resistance:\u003c\/strong\u003e Exterior construction is designed to resist peeling and wear caused by exposure to oils and chemicals commonly encountered in shop environments. \u003cspan class=\"contents\" data-content-reference-start=\"3701\" data-content-reference-end=\"3720\"\u003e\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1e1qpis\" data-start=\"3883\" data-end=\"4058\"\u003e\n\u003cstrong data-start=\"3885\" data-end=\"3915\"\u003ePrecision-Balanced Handle:\u003c\/strong\u003e Ergonomic, balanced construction is designed to improve grip and comfort during extended striking tasks. \u003cspan class=\"contents\" data-content-reference-start=\"3859\" data-content-reference-end=\"3878\"\u003e\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"7zsklc\" dir=\"auto\" data-start=\"4060\" data-end=\"4079\"\u003e\u003cspan style=\"color: rgb(234, 90, 0);\"\u003eWhat's Included\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"4081\" data-end=\"4131\"\u003e\n\u003cli data-section-id=\"luw8dg\" data-start=\"4081\" data-end=\"4131\"\u003e(1) GEARWRENCH 56 oz. Dead Blow Hammer (GWHDB56)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 [\u0026amp;\u0026gt;div:has([data-free-thinking-preview-answer=true])+:is(.text-message,.relative:has(\u0026gt;.text-message))]:-mt-2 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"3303eda3-090d-41e2-bed8-2e8c645fe797\" data-turn-start-message=\"true\" dir=\"auto\" data-message-model-slug=\"gpt-5-6\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"fbskMG_root LR5Y_W_content markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003ch3 data-section-id=\"yf71uz\" dir=\"auto\" data-start=\"5074\" data-end=\"5085\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\n\u003cspan style=\"color: rgb(234, 90, 0);\"\u003ePro-Tip\u003c\/span\u003e\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp dir=\"auto\" data-start=\"5087\" data-end=\"5372\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eLet the steel shot-filled head generate the dead blow effect rather than adding excessive force to each swing. Keep the striking faces clean and inspect the polyurethane exterior regularly for damage, especially when the hammer is used around sharp metal edges or harsh shop chemicals.\u003c\/p\u003e\n\u003cp dir=\"auto\" data-start=\"5087\" data-end=\"5372\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-specs-wrapper\" style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; max-width: 100%; margin: 24px 0; border: 1px solid #E5E7EB; border-radius: 8px; overflow: hidden; box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);\"\u003e\n  \u003cdiv style=\"background-color: #EA580C; color: #FFFFFF; padding: 14px 20px; border-bottom: 2px solid #C2410C;\"\u003e\n    \u003ch3 style=\"margin: 0; font-size: 18px; font-weight: 700; letter-spacing: 0.025em; text-transform: uppercase;\"\u003eGEARWRENCH GWHDB56 Ratcheting Disc Brake Caliper Spreader Specifications\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003ctable style=\"width: 100%; border-collapse: collapse; text-align: left; font-size: 14px; line-height: 1.5;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"background-color: #F9FAFB; border-bottom: 1px solid #E5E7EB;\"\u003e\n        \u003cth scope=\"col\" style=\"padding: 12px 20px; font-weight: 700; color: #374151; width: 35%;\"\u003eParameter\u003c\/th\u003e\n        \u003cth scope=\"col\" style=\"padding: 12px 20px; font-weight: 700; color: #374151; width: 65%;\"\u003eSpecification\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"background-color: #FFFFFF; border-bottom: 1px solid #F1F3F5;\"\u003e\n        \u003ctd style=\"padding: 12px 20px; font-weight: 600; color: #4B5563;\"\u003eModel \u0026amp; Product Classification\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 20px; color: #111827;\"\u003eGEARWRENCH GWHDB56 | Heavy-Duty Ratcheting Disc Brake Caliper Piston Spreader\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #FAFAFA; border-bottom: 1px solid #F1F3F5;\"\u003e\n        \u003ctd style=\"padding: 12px 20px; font-weight: 600; color: #4B5563;\"\u003ePrimary Application\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 20px; color: #111827;\"\u003eAutomotive \u0026amp; Commercial Brake Service; Compressing Disc Brake Caliper Pistons\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #FFFFFF; border-bottom: 1px solid #F1F3F5;\"\u003e\n        \u003ctd style=\"padding: 12px 20px; font-weight: 600; color: #4B5563;\"\u003eCaliper Compatibility\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 20px; color: #111827;\"\u003eWorks on Single, Dual, and Quad-Piston Fixed Calipers; Single and Twin-Piston Floating Calipers\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #FAFAFA; border-bottom: 1px solid #F1F3F5;\"\u003e\n        \u003ctd style=\"padding: 12px 20px; font-weight: 600; color: #4B5563;\"\u003eWorking Expansion Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 20px; color: #111827;\"\u003e1.5 in to 2.7 in (38.1 mm to 68.6 mm) Parallel Expansion Spread\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #FFFFFF; border-bottom: 1px solid #F1F3F5;\"\u003e\n        \u003ctd style=\"padding: 12px 20px; font-weight: 600; color: #4B5563;\"\u003eDrive \u0026amp; Ratchet Mechanism\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 20px; color: #111827;\"\u003eCentrally Located 360° Rotating Ratchet with Quick-Switch Reversing Lever\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #FAFAFA; border-bottom: 1px solid #F1F3F5;\"\u003e\n        \u003ctd style=\"padding: 12px 20px; font-weight: 600; color: #4B5563;\"\u003eSpreader Plate Architecture\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 20px; color: #111827;\"\u003eParallel Self-Centering Dual-Plate Design (Evenly Distributes Force to Prevent Piston Cocking)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #FFFFFF; border-bottom: 1px solid #F1F3F5;\"\u003e\n        \u003ctd style=\"padding: 12px 20px; font-weight: 600; color: #4B5563;\"\u003eMaterial Construction \u0026amp; Finish\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 20px; color: #111827;\"\u003eHigh-Strength Forged Carbon Steel Plates \u0026amp; Ratchet Body; Corrosion-Resistant Industrial Finish\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #FAFAFA; border-bottom: 1px solid #F1F3F5;\"\u003e\n        \u003ctd style=\"padding: 12px 20px; font-weight: 600; color: #4B5563;\"\u003eGrip \u0026amp; Handle Type\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 20px; color: #111827;\"\u003eErgonomic Cushion-Grip Ratchet Handle for Leverage in Confined Wheel Wells\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #FFFFFF; border-bottom: 1px solid #F1F3F5;\"\u003e\n        \u003ctd style=\"padding: 12px 20px; font-weight: 600; color: #4B5563;\"\u003eOverall Dimensions (L × W × H)\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 20px; color: #111827;\"\u003e10.5 in × 3.5 in × 1.25 in (26.7 cm × 8.9 cm × 3.2 cm)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #FAFAFA; border-bottom: 1px solid #F1F3F5;\"\u003e\n        \u003ctd style=\"padding: 12px 20px; font-weight: 600; color: #4B5563;\"\u003eTotal Tool Weight\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 20px; color: #111827;\"\u003e0.95 lbs (0.43 kg) \/ 15.2 oz\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n  \u003cdiv style=\"background-color: #FFF7ED; border-top: 1px solid #FED7AA; border-bottom: 4px solid #EA580C; padding: 14px 20px;\"\u003e\n    \u003cspan style=\"display: block; font-weight: 700; color: #9A3412; font-size: 13px; text-transform: uppercase; margin-bottom: 4px;\"\u003eAutomotive Brake Service \u0026amp; Piston Alignment Note:\u003c\/span\u003e\n    \u003cp style=\"margin: 0; color: #374151; font-size: 13px; line-height: 1.45;\"\u003eEngineered to eliminate uneven piston retraction when servicing modern multi-piston disc brake assemblies. The centrally located 360-degree ratcheting mechanism spreads force uniformly across parallel steel plates, pressing single, twin, or quad pistons smoothly into their bores simultaneously without damaging internal seals or binding piston skirts.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"GEARWRENCH","offers":[{"title":"Default Title","offer_id":53065444622647,"sku":"GWHDB56","price":44.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2274\/5945\/files\/Screenshot2026-09-29075219.png?v=1790691930","url":"https:\/\/www.1toptools.com\/products\/gwhdb56","provider":"1 Top Tools","version":"1.0","type":"link"}