3000 mesh - 8000 mesh Natural whetstone Ruby double sided stone can be shaved after grinding S Mount fitting this unit fits the bill

this unit fits the bill

Extended reach for hard-to-reach nails: Adjustable from 450mm (18") up to 600mm (24")

unobstructed air intake and proper exhaust routing per the installation manual to maintain performance and safety

when required

3000 mesh - 8000 mesh Natural whetstone Ruby double sided stone can be shaved after grinding S Mount fitting this unit fits the billThe particle size is: one side ruby oil stone 3000#, the other side natural agate oil stone 10000#, fine grinding to polishing one, the size and shape are small and exquisite, easy to carry, the price is excellent~ Size: 50*25*10 mm Specifications 100*25*10 mm (mm) Material Ruby + Natural White Jade 3000 mesh ruby + 8000 mesh white jade double sided whetstone