This set contains sockets and accessories suitable for use with impact tools and can be used with included ratchet. 3/4 Drive 6 Point sockets: 21, 22, 23, 24, 26, 27, 28, 29, 30, 32, 33, 34, 36, 38, 41, 46 and 50mm. 1 Drive 6 Point sockets: 55, 60 and 65mm. 3/4" F x 1" M Impact Adaptor. Black phosphate finish for protection.