The Ratcheting UniDriver[R], by dint of Link Tools, combines the functions of a speeder an extension and a screwdriver and coheres at both ends. The tool ratchets in the two clockwise and counter-clockwise directions and can be hand-held with another handle plugg into the top and guided without los of torque. The UniDriver can be used with any branded socket drive tool. Visit www.link-tools.com. (888) 727-5465