Atoplee 6pcs Grit 3000# Ruby Sharpening Grindstone Whetstone Grave...

Atoplee 6pcs Grit 3000# Ruby Sharpening Grindstone Whetstone Graver Sharpening Tool 6 Shapes [Square/Triangle/Semicircle/Cylindrical/Edge/Rectangle]

Features:

The Ruby Sharpening stone is made from sintered crystals of synthetic ruby.

It's extremely hard, maintain their shape well and are resistant to wear. Because they are so hard they can 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.

These 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.

• Grit: 3000#
• Type:001:Square Ruby Size: 100mm*8mm*8mm ;002:Triangle Ruby Size: 105mm*8mm*8mm*8mm
• Type:003:Semicircle Ruby Size: 100mm*8mm ;004:Cylindrical Ruby Size: 100mm*8mm
• Type:005:Edge Ruby Size: 100mm*8mm*5mm ;006:Rectangle Ruby Size: 100mm*10mm*6mm
• Package Included:6pcs Ruby Sharpening Grindstone