3Pc 1/2 Deep Impact Socket Set (01149003)

Pro-drive sockets give maximum torque. Chrome molybdenum sockets with durable plastic protective cover to prevent damage to alloy wheels. Colour coded sockets for quick selection with ball retaining groove and hole. Suitable for both, manual and impact wrenches. Contains: 1/2" square drive 17, 19, 21mm sockets, stored within plastic case.