Bung Nut Wrenches are available in cast steel with polished zinc finish, non-sparking aluminum or non-sparking bronze alloy for many applications. It is used to install, remove large and small drum plugs. Its design helps to prevent scraped knuckles. It accommodates most common bungs. It is simple to use. It operates like a household can opener. The angled handles on model bnw-i-w and bnw-b-w which protect knuckles in most positions. Cast steel durability is not bend, break or chip. It configuration is more comfort. It is used to tighten and loosen drum rings.