Plumber wrench
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A plumber wrench is a form of plier described as a pipe wrench that uses compound leverage to grip and rotate plumbing pipes. Similar to the action of a Vise Grip plier, its jaw opening is adjusted to
A plumber wrench
A plumber wrench, with the key ring on the thread of the left handle
Johan Petter Johansson with his wrench
Adjustable spanner
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An adjustable spanner, also called a shifting spanner or shifter or adjustable wrench, is any of various styles of spanner with a movable jaw, allowing it to be used with different sizes of fastener h
Plumber wrench
…pipe tongs to tighten or loosen threaded pipe fittings. It is not widely known in North America, but is common in Europe. Johansson also improved the adjustable wrench, with a patent in 1891. Monkey wrench…
From the bottom: The first BAHCO-improvement adjustable wrench from 1892 (Enköping Mekaniska Verkstad) Adjustable wrench from 1910 with an improved handle (BAHCO) Adjustable wrench from 1915 with a slightly rounder handle (BAHCO) Adjustable wrench from 1954 with improved handle and new jaw angle of 15 degrees (BAHCO) Adjustable wrench from 1984 and the first with ERGO handle (BAHCO) Today's version of the adjustable wrench from 1992 with ERGO (BAHCO)
A type called a French key in some times and places
Chrome vanadium adjustable wrench
Adjustable wrench for hexagonal ("hex") fasteners