These are some tools, which may be useful for plumbing jobs.
Pipe Wrenches 
Pipe wrenches have regulating, notched jaws created for holding and turning screwed lines and line fittings. They are designed in a few sizes, beginning from 12 to 18 inches long; the bigger the wrench, the bigger pipe it will fit.
Pipe wrenches are applied in pairs: one to hold the line and the other to divert the fitting. Fasten a pipe wrench onto a line or fitting so that, while turning, the force will be referred to the fixed jaw and not the regulating one.
When diverting appearance-grade lines, like those with chrome polish, defend the material from scrapes by covering the jaws of pipe wrenches with line tape.
Adjustable Wrenches
That type of wrench will regulate in size to fit a variety of screw nuts, bolts or fittings with even sides. They may be of various sizes; a 10-inch wrench that may open up to a 1 1/8-inch extent is a fine common-purpose size. While making use of a regulating wrench, you should place it so that the force will be applied against the permanent jaw. 
Rib-joint Pliers
For holding and diverting lines, screw nuts and fittings, rib-joint pliers are extremely useful. With these, a pintle glides alongside a slot and engages in channels at different places to regulate the size of the jaws so they will tightly hold objects from small to big.
Locking Pliers
Locking pliers provide a fixing function so they will fasten onto an object, like a bolt or a duct. A knurled screw installed in one handle regulates the size of their grip.
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