{"product_id":"klein-tools-impact-bit-extension-32791-4-inch-hex-1-4-inch-shank-s2-steel-magnetic-holder-power-driver-recessed-box-screwdriving-adapter","title":"Klein Tools Impact Bit Extension 32791 4 Inch Hex (1\/4 Inch Shank S2 Steel Magnetic Holder Power Driver Recessed Box Screwdriving 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 32791 4-Inch 1\/4-Inch Hex Pro Impact Power Bit Extension\u003c\/h2\u003e\n\u003cp\u003eThe Klein Tools 32791 4-Inch 1\/4-Inch Hex Pro Impact Power Bit Extension operates as an extended-reach magnetic fastener driving accessory engineered to bridge tight clearance gaps inside electrical panel enclosures, deep junction boxes, and structural wall cavities. Measuring 4 inches in total length with a 0.43 inch barrel diameter and weighing 0.8 oz, this adapter incorporates a high-strength permanent rare-earth magnet and a standard 1\/4 inch quick-connect hex power shank constructed from heat-treated S2 impact-rated tool steel. Engineered to absorb high rotational shock loads generated by power tools, this heavy-duty drive shank allows electricians, HVAC technicians, and commercial tradesmen to extend 1\/4 inch insert bits into 3-3\/8 inch deep outlet boxes without dropping fasteners or experiencing premature shank shearing.\u003c\/p\u003e\n\u003ch3 style=\"color: #004b87;\"\u003eBest Used For:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeep Electrical Box Fastening:\u003c\/strong\u003e Reaching terminal screws, ground clips, and conduit clamps seated within 3-3\/8 inch deep electrical junction boxes and switch enclosures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTight Clearance Power Screwdriving:\u003c\/strong\u003e Extending driver bit reach past obstruction points like stud framing, ductwork flanges, and equipment housings using 1\/4 inch power impact drivers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic Fastener Placement:\u003c\/strong\u003e Magnetizing standard 1\/4 inch hex insert bits to hold steel screws horizontally or overhead during one-handed starting.\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\u003eS2 Impact-Rated Tool Steel:\u003c\/strong\u003e Premium heat-treated alloy steel construction withstands high rotational impact torque to prevent shank twisting and snapping.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended 4-Inch Reach:\u003c\/strong\u003e Provides an added 4 inches of total shaft clearance to easily access fasteners located in deep enclosures and tight wall bays.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Strength Internal Magnet:\u003c\/strong\u003e Integrated magnetic barrel holds standard 1\/4 inch hex driver bits securely while transmitting strong magnetic hold to metal fasteners.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 1\/4-Inch Hex Shank:\u003c\/strong\u003e Precision-milled quick-connect power shank fits all 1\/4 inch impact driver chucks and standard drill press adapters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Outer Barrel Profile:\u003c\/strong\u003e Slim 0.43 inch diameter shaft barrel fits through standard knockouts and tight internal hardware gaps without binding.\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 32791 4-Inch Pro Impact Power Bit Extension Shaft (1\/4-Inch Hex Drive)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe width=\"1042\" height=\"586\" src=\"https:\/\/www.youtube.com\/embed\/ZUeJeyOl-Sc\" title=\"Pro Imapct Power Bit Set\"\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;\"\u003e32791\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 Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003e4-Inch Magnetic Impact Power Bit Extension\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003e\u003cstrong\u003ePrimary Drive Shank Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003e1\/4 inch Quick-Connect Power Hex Shank\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\u003eInternal Receiver Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003e1\/4 inch Standard Hex Insert Bits\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;\"\u003eImpact-Rated S2 Tool 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\u003eFastener Magnetization\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003eYes (High-Strength Internal Permanent Magnet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003e\u003cstrong\u003eOverall Extension Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003e4.0 inches (10.2 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\u003eOuter Barrel Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003e0.43 inches (1.1 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003e\u003cstrong\u003eEnclosure Box Reach Depth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0;\"\u003eCompatible with 3-3\/8 inch Deep Electrical Boxes\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;\"\u003e1 Unit\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;\"\u003e0.8 oz (23 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;\"\u003e00092644327919\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 When working inside crowded electrical boxes with multiple wire bundles, seat your 1\/4 inch insert bit fully into the magnetic holder before placing the screw on the tip. The strong internal magnet holds the bit and screw aligned inline, preventing fastener drop-off while driving past tight conductor leads.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"KLEIN TOOLS","offers":[{"title":"Default Title","offer_id":52719015231799,"sku":"32791","price":6.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2274\/5945\/files\/Klein_Tools_Impact_Bit_Extension_32791_4_Inch_Hex_1_4_Inch_Shank_S2_Steel_Magnetic_Holder_Power_Driver_Recessed_Box_Screwdriving_Adapter.jpg?v=1784918056","url":"https:\/\/www.1toptools.com\/products\/klein-tools-impact-bit-extension-32791-4-inch-hex-1-4-inch-shank-s2-steel-magnetic-holder-power-driver-recessed-box-screwdriving-adapter","provider":"1 Top Tools","version":"1.0","type":"link"}