Grit Fine Polishing Whetstone Oilstone 3000 &10000#

A fine-grained whetstone lubricated with oil, used for fine sharpening.
The Ruby sharpening and Agate ,For Polishing,Sharpening.
Can Make Mirror surface, mirror finish.
The Ruby Sharpening is made from sintered crystals of synthetic ruby.
It’s extremely hard, maintain their shape well and are resistant to wear.

Size:50x25x10mm(1.97x0.98x0.39 inch)
Model:3000 10000 Grit
Material:Ruby and natural agate(as it is natural , some has like black or white dot etc, please pay attention)

: red white(as the picture)
Mainly used in industrial instrumentation, precision parts, miniature knives, , measuring tools, tools, instruments, carbide, etc.
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