There are really only a couple of different types of plumb-bob, both of which have evolved from the traditional “weight-on-a-string” type. Have a read below and get in the know.
Traditional plumb-bobs
The traditional plumb-bob is a simple and effective tool. It consists of a long string tied to a weight, at the bottom of which is a point for accurate marking. It couldn’t be simpler.
Flat plumb-bobs
With a typical plumb-bob, it can sometimes be difficult to mark its position accurately as their bodies are usually rounded, which often leaves the tip an inch or so from your work-surface. The flat plumb-bob has been specially designed to overcome this problem.
Its flat face allows it to hang much closer to the surface of your workpiece and it also has a central vertical slot which allows for precision marking.
