Professional extension bars for commercial or occasional use 1” drive extension bar 12” (300mm) extension bar Impacted extension bar Impacted so ideal for use on HGV vehicles or use with high torque tools Manufactured from C . R – v steel and impacted for maximum strength and durability 1” drive so will fit any 1” drive ratchets, bars, impact guns etc... Comes with a sprung ball socket retainer to prevent the socket from falling off the extensions when in use SPECIFICATIONS • 1” Drive extension Bar • Impacted extension bar • HRC 41 – 43 standards • Drive Size – 1” drive • Total length 12” (300mm)