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★Non-tarnishing Nickel-Plated Brass Pin Vise Holders for the Hardness Points.
★This version of our Kit is optimized for Concrete Hardness Testing.
★Molded Plastic Case to withstand rugged use in an industrial environment.
★Customized Instructions for Use on Industrial Materials.
★Customized Hardness Tables that cover the range of common materials.
Specification Name: Mohs hardness tester Model: 2-9 level (Mohs hardness test head for alloy metal) Specifications: Four double test heads: 2-3 level, 4-5 level, 6-7 level, 8-9 level Size: 210*130*145mm Net weight: about 0.5KG Products include: 4*Hardness pen 1*Mohs 2.5 scratch board 1*Mohs 3.5 scratch board 1*Mohs 5.5 scratch board 1*Sandstone polishing strips 1*White scratch board 1*Black magnet 1*Storage box