Copechilla 8pcs Hex Shank to Square Socket Drill Adapter Extension and 14pcs Nut Driver Set Impact Bits 1/4''Hex 5 12mm 3/16 to7/16

14 pieces of power feed nuts (inch): Imperial: 3/16 "1/4" 9/32 "5/16" 11/32 "3/8" 7/16 "; nut 14-piece supply Driver metric drill bits: 5 mm, 5.5 mm, 6 mm, 7 mm, 8 mm, 10 mm, 12 mm.Made of forged steel and hard chrome vanadium, the hardness can reach 56HRC; With the polished corrosion-resistant sandblast finish to make it more durable,Universal 1/4 '' hex shanks adapt to rapid changes and securely secure in standard chucks, suitable for any drill, screwdriver and screw gun 8Pcs impact socket adapter set: 2 x 1/2" Drive , 2 x 3/8" Drive and 4 x 1/4" drive. 2 reducers: 3/8" Female x 1/4" Male, 1/2 inch F x 3/8" M and 2 Adaptors: 1/4" F x 3/8" M, 3/8" F x 1/2" M.The extension adapters are made of heat treated Chrome Vanadium steel , and the adapters and reducers are made from high-strength Best for the DIY, automotive industry, household maintenance, manufacturing industry, construction and most general repairs, Manufacturer: Copechilla