1/4"(6.35 mm) Male Hex Shank Extension Bars : This type of Special Extension Bar has on one end Male Square and on the other end male ΒΌ" Hex Shank. These are available in 1/4" and 3/8" Square Drives with overall lengths ranging from 50 mm to 150mm....
Extension Bar is a coupler interposed between the socket and the driving tool. This is used to reach inaccessible places where the driving tool cannot reach or the clearance for operation of driving tool is not available. These are of two designs -...