Sharpening Stones Set CHEERBRIGHT 4pcs Sharpening Whetstone SetOilstone Polishing Sharpener Stone 40080030008000

DESCRIPTION: Size:150*20*5MM(5.9 x 0.79 x 0.2 Inch) Beautiful Appearance and Appropriate This stone set are small in size, portable and convenient to sharpen more effectively. OCCASION: (=_=)This combinations whetstone can be carried out on the knife tools coarse grinding,Middle grinding,edge grinding,fine grinding,polishing. PRODUCT GRIT : 400#?800#?3000#?8000# MATERIAL INSTRUCTIONS: Green carbon oil stone(400#): Having a high hardness and a certain toughness?Its hardness is only lower than the boron carbide whetstone, abrasive sharp,good thermal conductivity. Boron carbide oil stone(800#): It's a harder whetstone,It has uinque function for optical instruments, meter,polished precision polishing. Ruby oil stone(3000#): It is formed by sintering temperature,has a high hardness and strength,rose red color,delicate and tight structure,surface is not easy to wear,high hardness. White Gem Stone (8000#) Fine Grit, high hardness, not easy to fall off the powder, long life. PACKAGE INCLUDED: 4pcs Sharpening Whetstone Set