Professional extension bar for commercial or occasional use 3/4" drive extension bar 4” (100mm) extension bar Impacted extension bar Impacted so ideal for use on HGV vehicles or use with high torque tools Manufactured from chrome vanadium steel and impacted for maximum strength and durability 3/4" drive so will fit any 3/4" 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 • 3/4" Drive Extension Bar • Impacted extension bar • HRC 41 – 43 standards • Drive size – 3/4" drive • Total length – 4” (100mm)