Made of high quality hardened steel, fits all standard variable speed drills. Removes heavy-duty bolts quickly and safely. 4 Piece Kit.
Bolt Sizes 1/4, 5/16, 3/8 and 1/2in Removes screws 6 - 10 and 12 - 14 Bolt Sizes 5 - 14mm Fasteners 2 - 8 grade Hardness 5.6 - 10.9 + Stainless steel
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