Features ---11 pcs Nut Bolt Extractor Socket And Tommy bar Set ---The specially hardened sockets with corrosion protection are designed for the removal of damaged bolts, screws and nuts. ---The Twist socket design allows for a secure connection onto the rounded-off fastener to be extracted. ---The innovative spiral profile digs itself into the head of a damaged screw or nut, allowing it to be easily loosened. ---3/8" square drive for use with socket wrench or impact wrench. ---These broken bolt extractors have Black oxide surface provides greater strength and durability and prevents corrosion. Specifications ---Material: Chromium Vanadium Steel ---Socket size: 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 16mm, 17mm, and 19mm. ---Driver size: 3/8" Package included ---9mm 10mm 11mm 12mm 13mm 14mm 15mm 16mm 17mm 19mm twist sockets ---7.
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