Before revision: 100px|A plumber wrench A plumber wrench, with the key ring on the thread of the left handle Johan Petter Johansson with his wrench A plumber wrench (or plumber's wrench, pipe wrench, Swedish wrench or Swedish pattern wrench) is a pipe wrench used to rotate plumbing pipes.
After revision: 100px|A plumber wrench A plumber wrench, with the key ring on the thread of the left handle Johan Petter Johansson with his wrench A plumber wrench (or plumber's wrench, pipe wrench, Swedish wrench or Swedish pattern wrench) is a form of plier described as a pipe wrench that uses compound leverage to grip and rotate plumbing pipes.