The variable-angle cog wrench with it’s ½ inch square drive socket-holder is used to screw or unscrew, nuts and bolts. It must not be used to tighten or untighten nuts and bolts already installed on the network.
Insulating tubes, fiberglass over the foam core. Solid control rod. Control head and sleeve made of metal. Variable angle cog driven socket holder. Socket capacity: Standard series 12.7 mm (1/2 inch) square sock.