A dual 3/4" & 1" square drive impact socket and bit set, that includes a comprehensive selection of hex, star* and spline profiles. Ideal for use on commercial vehicles. A high quality set designed for the demands of impact driving. Supplied in a robust box (180mm x 270mm) for secure and organised tool storage. An ideal kit for the safe and fast adjustment of a wide range of fixings. 4 Star* impact sockets: E18, E20, E22, E24. Depth: 107mm.Adaptors: 1"D x 22mm Hex x 62mm long; 3/4"D x 22mm Hex x 52mm long; 1 x 2.5mm Hex key for locking the bit into the driver. 9 x Hex impact bits: 14, 17, 19, 21, 22mm (in alloy steel); 24, 27, 30, 32mm (in carbon steel). 3 x Spline impact bits: M16, M18, M20; 5 x Star* impact bits: T60, T70, T80, T90, T100 (in alloy steel).