Ridgid pipe wrenches

History of Pipe Wrench
Pipe wrenches are tools for operating soft iron pipes and rounded joints which are used in houses commonly for water supply purposes. The first pipe wrench was made and invented by a Swedish, Johan Petter Johansson which was consisting of two jaws like pliers. Later on, he made an improved version in which spanners were adjustable.
Design of Wrench
The common wrenches of today consist of three parts, 2 jaws and a bolt to adjust jaw size. Different sizes of wrenches are av