[500 mm]
[50mm]
[75mm]
[250 milliliters]
[125mm]
Draper 1/2" square drive extension bar is manufactured from chrome vanadium steel hardened and tempered with a polished finish. The extension bar has a knurled ring for extra grip. This bar is attached with a spring-loaded ball bearing for secure socket retention. This extension bar is 500 mm long.