Metrinch Deep Wall Impact Socket Set 1/2" Drive 15 Piece MET-245015 Piece Deep Drive Impact Socket Set Metric and Inch tools handles all nuts and bolts Metric, Standard, and even ones with rounded or worn edges. The sockets are able to grip both inch and metric fasteners, reducing slippage for greater safety and making it virtually impossible to damage them. These sockets are heavy duty strength made from 46CrV chrome vanadium steel and coated in black epoxy for durability and scratch resistance. Set Includes: 1 2"