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Examples of materials on which industry uses this tool: Concrete Faucet finishes Touch screens Plastics and Glass materials Countertop materials Flooring products
Four double-ended picks, color-coded, with eight points comprising 2,3,4,5,6,7,8, and 9 on Mohs’ hardness scale, as shown above. Two Hardness Plates (of Mohs' hardness of 3.5 and 5.5) A 100 grit Grinding Stone to keep the points sharp. Rugged and compact molded Plastic Case. Hardness Table for 80 common Materials. Complete Instructions, customized for Industrial applications.