Carbon Steel

Material: Chromium Vanadium Steel ( has more good wear resistance and toughness than Chromium-molybdenum steel , the former is commonly used in Socket , the latter used for Screwdriver)

1/2" square drive for use with socket wrench or impact wrench,SAE sizes:11/16", 3/4" , 5/6" , 7/8", 1"

The innovative spiral profile digs itself into the head of a damaged screw or nut, allowing it to be easily loosened.

The specially hardened sockets with corrosion protection are designed for the removal of damaged bolts, screws and nuts.

Application:Great for removing stripped, broken head, rusted, recessed,unscrew, free-spinning and deck nuts.