Description:
- 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.
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