Weight: 140g (5oz). This Faithfull heavy steel bodied plumb bob has a pointed end to assist when marking out and is available in two weights. A centre and cross hole fixing system permit a line to be attached through the centre line of the bob helping to provide an accurate centre reading. The plumb bob is a simple to use, essential tool for establishing a vertical or plumb line when carrying out building, decorating and many other projects where an accurate vertical line is required.