{"product_id":"klein-tools-metric-impact-flip-socket-set-6513mqs-2-piece-quad-4-3-8-inch-drive-4-in-1-metric-spring-loaded-steel-hex-fastening-adapter","title":"Klein Tools Metric Impact Flip Socket Set 6513MQS 2 Piece Quad 4 (3\/8 Inch Drive 4 in 1 Metric Spring Loaded Steel Hex Fastening Adapter)","description":"\u003cdiv class=\"product-description\" style=\"font-family: sans-serif; color: #333333; line-height: 1.6; max-width: 900px;\"\u003e\n\u003ch2 style=\"color: #004b87;\"\u003e\u003ca title=\"Link to the Klein Tools homepage.\" href=\"https:\/\/www.1toptools.com\/pages\/klein-tools\"\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" alt=\"Klein promotional logo logout\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2274\/5945\/files\/KleinStacked-Black.png?v=1774018194\"\u003e\u003c\/a\u003e\u003c\/h2\u003e\n\u003ch2 style=\"color: #004b87; font-family: Arial, sans-serif;\"\u003eKlein Tools 6513MQS KNECT™ Quad-4 Metric 4-in-1 Coaxial Heavy-Duty Impact Flip Socket Set\u003c\/h2\u003e\n\u003cp\u003eThe Klein Tools 6513MQS KNECT™ Quad-4 Metric Impact Flip Socket Set provides a multi-size power fastening extension engineered to consolidate four metric hex drive dimensions into a single dual-ended socket body paired with a 3\/8-inch drive KNECT™ (M) system adapter. Forged from heat-treated cold-forged alloy steel with a black manganese phosphate surface finish, this 7.8 oz (0.49 lb) impact-rated assembly measures 4.24 inches high by 1 inch wide and incorporates spring-loaded coaxial socket sleeves across 15 mm, 16 mm, 18 mm, and 19 mm sizes. Built to withstand high-torque rotational shock loads from power drivers and pass-through wrenches, this modular system allows commercial electricians, machinery mechanics, and automotive technicians to press socket walls directly over metric bolt heads for immediate hands-free size switching without removing the tool from recessed clearance bays.\u003c\/p\u003e\n\u003ch3 style=\"color: #004b87;\"\u003eBest Used For:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecessed Metric Machinery Bolting:\u003c\/strong\u003e Servicing industrial equipment and motor mounts featuring 15 mm, 16 mm, 18 mm, and 19 mm metric hex hardware without swapping individual socket units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeep-Reach Threaded Rod Fastening:\u003c\/strong\u003e Reaching buried nuts and long threaded shafts in tight enclosure bays utilizing a deep-well coaxial socket housing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModular KNECT System \u0026amp; Impact Integration:\u003c\/strong\u003e Connecting directly to KNECT™ (M) pass-through ratchets or 3\/8-inch square drive impact wrenches for continuous high-torque driving.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color: #004b87;\"\u003eKey Performance \u0026amp; Safety Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-in-1 Quad-4 Coaxial Metric Socket:\u003c\/strong\u003e Combines 15 mm, 16 mm, 18 mm, and 19 mm metric hex sizes into one dual-ended reversible socket body.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHands-Free Spring-Loaded Action:\u003c\/strong\u003e Inner spring-loaded socket sleeve retracts automatically under forward pressure to access larger hex sizes without manual adjustment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat-Treated Cold-Forged Steel Body:\u003c\/strong\u003e Premium metallurgy construction withstands extreme rotational impact torque loads without fracturing or galling drive walls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion-Resistant Black Manganese Phosphate Finish:\u003c\/strong\u003e Industrial surface coating shields steel components against oxidation, oil, and harsh jobsite fluids.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Purpose KNECT (M) Adapter:\u003c\/strong\u003e Included 3\/8-inch drive adapter locks into KNECT™ pass-through ratcheting handles and standard impact wrench anvils.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustry-Standard Color-Coded Bands:\u003c\/strong\u003e High-contrast color identification rings allow rapid visual verification of metric socket dimensions in low-light environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color: #004b87;\"\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Klein Tools Quad-4 Coaxial Reversible 4-in-1 Heavy-Duty Metric Impact Flip Socket (15mm, 16mm, 18mm, 19mm)\u003c\/li\u003e\n\u003cli\u003e(1) KNECT™ (M) System Multi-Purpose Drive Adapter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe width=\"1042\" height=\"586\" src=\"https:\/\/www.youtube.com\/embed\/D1E4Qiv1GNE\" title=\"How A Quad Socket Works (651QS, 652QS, 653QS, 654QS and 656QS)\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch3 style=\"color: #004b87;\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #e0e0e0; font-family: Arial, sans-serif;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #fff5f7;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003e\u003cstrong\u003eBrand Manufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003eKlein Tools®\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003e\u003cstrong\u003eModel Part Number OEM SKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003e6513MQS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fff5f7;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003e\u003cstrong\u003eTool Classification System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003eKNECT™ Quad-4 4-in-1 Coaxial Metric Impact Flip Socket Set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003e\u003cstrong\u003eCore Metallurgy Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003eHeat-Treated Cold-Forged Alloy Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fff5f7;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003e\u003cstrong\u003eSurface Protective Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003eBlack Manganese Phosphate Corrosion-Resistant Finish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003e\u003cstrong\u003ePrimary Input Drive Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003e3\/8 inch Drive (KNECT™ M Adapter Compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fff5f7;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003e\u003cstrong\u003eIntegrated Metric Socket Sizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003e15 mm, 16 mm, 18 mm, and 19 mm Hex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003e\u003cstrong\u003eSocket Point Profile Geometry\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003e6-Point Deep Well Profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fff5f7;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003e\u003cstrong\u003eFastener Transition Action\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003eHands-Free Coaxial Spring-Loaded Compression \u0026amp; Flip Body\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003e\u003cstrong\u003eVisual Identification System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003eColor-Coded Painted Rings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fff5f7;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003e\u003cstrong\u003eOverall Unit Height\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003e4.24 inches (10.8 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003e\u003cstrong\u003eOverall Unit Width \u0026amp; Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003e1.0 inch W x 1.0 inch L (2.5 cm x 2.5 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fff5f7;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003e\u003cstrong\u003eHigh-Voltage Insulated Frame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003eNo (Uninsulated - do not use on energized electrical circuits)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003e\u003cstrong\u003ePackage Piece Quantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003e2 Pieces (1 Quad-4 Metric Socket + 1 Adapter)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fff5f7;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003e\u003cstrong\u003eNet Product Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003e7.8 oz \/ 0.49 lb (221 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003e\u003cstrong\u003eGlobal Trade Item Number GTIN\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003e00092644380174\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"margin-top: 20px; padding: 10px; background-color: #f9f9f9; border-left: 4px solid #004b87;\"\u003e\u003cstrong\u003ePro-Tip:\u003c\/strong\u003e To drive 15 mm or 18 mm hardware, push the tool firmly onto the bolt head so the internal spring compresses fully. For larger 16 mm or 19 mm hardware, pull the socket body outward or flip the sleeve around to engage the outer socket profile directly without depressing internal springs.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"KLEIN TOOLS","offers":[{"title":"Default Title","offer_id":52729143656759,"sku":"6513MQS","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2274\/5945\/files\/Klein_Tools_Metric_Impact_Flip_Socket_Set_6513MQS_2_Piece_Quad_4_3_8_Inch_Drive_4_in_1_Metric_Spring_Loaded_Steel_Hex_Fastening_Adapter.jpg?v=1785163063","url":"https:\/\/www.1toptools.com\/products\/klein-tools-metric-impact-flip-socket-set-6513mqs-2-piece-quad-4-3-8-inch-drive-4-in-1-metric-spring-loaded-steel-hex-fastening-adapter","provider":"1 Top Tools","version":"1.0","type":"link"}