The Makita D-41517 1/2in Impact Rated Sockets are designed for use with both Impact Drivers & Impact Wrenches. Designed for machines with a higher torque rating, they can withstand more pressure for tougher socketry applications. These sockets have an O-Ring and Pin Fixing for securing directly to the drive of the tool. Very popular among the Scaffolding Industry, these can also be used for Automotive purposes. Contents: 1 x 8mm Impact Socket 1/2in 1 x 10mm Impact Socket 1/2in 1 x 13mm Impact Socket 1/2in 1 x 16mm Impact Socket 1/2in 1 x 17mm Impact Socket 1/2in 1 x 18mm Impact Socket 1/2in 1 x 19mm Impact Socket 1/2in 1 x 21mm Impact Socket 1/2in 1 x 24mm Impact Socket 1/2in 1 x Storage Case