Rectangular stone made of abrasive rubber

Rectangular section stone made of abrasive rubber: Alundum grains and fillers assembled by elastomers in a plastic thermosetting composition. Dense structure, grain 150, soft.
Applications: to polish, hone and superfinish different kind of metallic surfaces, to chamfer, to remove rust, hot spots, etc.; either hand working either machine working, on toolholders or chucks.