Standard depth WallDrive® sockets manufactured from Chrome Vanadium steel with phosphate finish for added corrosion resistance. Set includes three extension bars, 3/4"Sq drive adaptor and universal joint. Suitable for use with impact tools. Supplied in metal storage case. Features & Benefits:Standard depth WallDrive® sockets manufactured from Chrome Vanadium steel.Phosphate finish for added corrosion resistance.Suitable for use with impact tools.Contents: Sockets; 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 24, 27mm, Extensions; 50, 150, 250mm, Adaptor; 1/2"Sq(F x) 3/4"Sq (M), 1/2"Sq Drive Universal Joint.Supplied in metal storage case.Lifetime guarantee*.Model No. AK5619M Specifications: Model No AK5619M Brand: Premier Drive: 1/2"Sq Drive Contents: Sockets; 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 24, 27mm, Extension Bars; 50, 150, 250mm, Adaptor 1/2"Sq(F) x 3/4"Sq(M), 1/2"Sq Universal Joint Nett Weight: 3.72kg