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