Klein Lineman's Insulating 4-in-1 Box Wrench

The Klein Tools Lineman's Insulating 4-in-1 Box Wrench is the only double ended 4-in-1 wrench on the market to meet the ASTM standard 1000V rating. It features a transparent handle that shows the metal ends of the wrench are not touching. The solid, durable wrench features four 12 point socket sizes: 1/2'', 9/16'', 5/8'', and 3/4''.WARNING Always wear eye protection. Do NOT push or hammer wrench. Do NOT extend handle length. Do NOT extend handle length. Because moisture, films, or other surface contaminants are conductive, Klein insulating tools must be kept clean, dry and free of any surface contaminants.