Professional hex / allen key bits and torx / star bits for commercial or occasional use 1/2” drive shallow impacted bits 20pc kit comprising of 10 x male allen key bits (4mm – 19mm) and 10 x torx / star sockets (T20 – T70) Hardened and tempered for maximum strength and durability Allen hex key bits ranging from 4mm – 19mm (H4 – H19) Torx / star bits ranging from T20 – T70 10pc impacted allen hex key bits 10pc impacted torx / star bits Manufactured from chrome vanadium steel (S2) for maximum strength and durability Impacted bits so ideal for use with high torque tools such as impact guns, air tools etc... 1/2" drive so will fit any 1/2" drive ratchet, impact gun, power bar etc... Short stubby bits so perfect for access in tight restricted areas Total length of the sockets (complete) – 55mm SET INCLUDES THE FOLLOWING SIZES • 4mm, 5mm, 6mm, 7mm, 8mm, 10mm, 12mm, 14mm, 17mm and 19mm • T20, T25, T27, T30, T40, T45, T50, T55, T60 and T70 Comes in separate metal tins for easy storage and transportation