6 Pcs #3000 Ruby Whetstone Sharpening Stone Set, includes Shape--Square,Triangle,Semicircle,Cylindrical,Edge,Rectangle; Ruby Sharpening stone is made from sintered crystals of synthetic ruby, extremely hard, could maintain their shape well and are resistant to wear; Ruby Sharpening stones can sharpening and polishing for triangle sawtooth, circular saw blade, plane blade edge, small serrated mould; Sharpening stone can use oil or water, the effect of OIL is BETTER than watter; Package Included: 6pcs 3000# Ruby Stone Whetstone Sharpening Stone Polishing Stone Set Features
▪ Ruby Sharpening stone is made from sintered crystals of synthetic ruby, extremely hard, could maintain their shape well and are resistant to wear;

Applications
▪ Hard enough to sharpen and finish extremely hard metals such as carbide gravers, but also work on non-metal like glass, porcelain and quartz;
▪ For sharpening and polishing chilled steel,alloy steel and precision parts etc;
▪ Ruby Sharpening stones can sharpening and polishing for triangle sawtooth, circular saw blade, plane blade edge, small serrated mould;
▪ Great to use for knives, scissors, gravers, blades, shears, hooks, etc;
▪ Sharpening stone can use oil or water, the effect of OIL is BETTER than watter;

Package Contents
▪ 1 × #3000 Square Ruby (100mm×8mm×8mm)
▪ 1 × #3000 Triangle Ruby (100mm×9mm×9mm×9mm)
▪ 1 × #3000 Semicircle Ruby(100mm×8mm)
▪ 1 × #3000 Cylindrical Ruby(100mm×8mm)
▪ 1 × #3000 Edge Ruby(100mm×5mm×9mm)
▪ 1 × #3000 Rectangle Ruby(100mm×10mm×5mm)

Note
▪ Manual measurement, error 1-3cm, depending on the actual situation, please understand;
▪ You can get the most friendly customer service, please feel free to contact us if you encounter any problems during use, 90 days free return or refund.