Mohs Hardness test kit is used to "scratch test" substances to determine their Hardness according to the Mohs' Hardness scale, which ranges from 1 to 10, where Diamond is the hardest at 10, while Talc is softest at 1.

This kit can be used for: 

• Concrete 
• Countertop materials 
• Flooring products, etc 

How to use hardness picks: 

Scratch a smooth surface of your material with the picks of various indicated hardness. As an example, if a No. 5 pick scratches the material, but a No. 4 pick does not, then your material’s hardness is 4.5.

This kit includes:

• Four double-ended picks, color-coded, with eight points comprising 2,3,4,5,6,7,8, and 9 on Mohs’ hardness scale.
• 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.