The Blue Spot Tools Individual Deep Impact Hex Socket (41mm) is manufactured from chrome vanadium for increased durability. Designed for heavy-duty use, it features a blackened phosphate coating for increased corrosion resistance. Suitable for use with air tools, this socket is ideal for high-torque applications and fits all standard 1/2″ drive tools. Manufactured from chrome vanadium for increased durability Blackened phosphate coating protects against corrosion 1/2″ drive Hex Ideal for use with air tools Will fit any 1/2″ tools.