Bung Nut Wrenches are available in several different materials to meet many applications. These multipurpose drum tools not only open and close drum bungs or plugs, they also work as a bung wrench, ring wrench and faucet wrench all in one. Wrenches are universal in that they fit all type of industrial drum plugs and bungs in matel or plastic. These durable wrenches will not bend, breeak or chip. Eliminate the need for extra tool with these multifunctional drum wrenches Patent pending. 10" Length.