3pcs Sharpening Stone Set - CHEERBRIGHT Grinding and Polishing Whetstone Set Knife Sharpener Polishing Assorted Size Oil Stone -8000--10000-,800-,320--

DESCRIPTION: Brand new and high quality Keep your tools at their precision best and rescue dull blades with this high-quality. MATERIAL: 1--Natural White Agate(8000#) & Natural Emerald (10000#) OCCASION: For Industrial, Precision parts,Precious stones, Measuring tools,Cutting tools,Instrumentation,Carbide and other aspects of fine polishing. 2--Boron Carbide(800 #): (It is an extremely hard boron¨Ccarbon ceramic, and covalent material used in numerous industrial applications). OCCASION: For hard alloy, cutting tools, molds, and other precision components. 3--Rubing Grain (320#) (with high durability) OCCASION: Traight-edged tools, such as chisels, knives, plane blades, or other precision instruments. SPECIFICATIONS: STONE SIZE: 100*25*10mm,100 * 25 * 10mm,100*20*10mm PACKAGE INCLUDED: 3pcs Sharpening Stone