Features and Benefits:Sockets are made from heat-treated alloy steel for extreme torque applications;Black oxide coated to resist corrosion for longer socket life;High strength 6-point drive sockets for extreme torque applications;Sockets are ideal for use with impact drivers, impact wrenches and ratchets;Includes 6mm, 7mm, 8mm, 10mm, 11mm, 12mm, 13mm Impact Sockets and 1/4" Drive x 1/4" Hex Shank Socket Adapter;Includes flexible boot for convenient storage of both the sockets and the adapter;The Impact XPS® 8 Piece 1/4" Drive 6-Point Metric Impact Socket Set features high-strength 6 point sockets designed to be used with impact driver, impact wrenches and ratchets. Sockets are made from heat-treated alloy steel combined with a black oxide coating to resist corrosion for longer life. Impact XPS® 6-point drive sockets are engineered for extreme torque applications. The socket set includes a standard socket adapter and a flexible boot that makes storage convenient for both the adapter and the sockets.