Description:

Includes7-piece 1/4" drive hex socket bit (H2, H2.5, H3, H4, H5, H5.5, H6); 5-piece 3/8" drive hex socket bit (H7, H8, H9, H10, H12); 1-piece 1/2" drive hex socket bit (H14).. Torque StrengthQuenched and heat-treated S2 alloy steel bits, hardness arrived at 58-62 HRC, reducing wear. High strength chrome vanadium steel sockets, increase turning power.. DurableComplete corrosion resistance and rust resistance, mirror-polished and chrome-plated sockets and phosphate bits treatment.. Easy to UseFour detent grooves provide a secure connection with the drive tool. The beveled inner edge helps guide the socket to the drive tool.. Widely UseUse with a ratchet to increase the speed of tightening square drive fasteners. And the product has no insulation properties and is not suitable for electrical environments..