Undercover grindrocks/grindwheels for better grind control on your grinds. The material is UHMW/Diamond plastic, this is the fastest plastic available for grinding. The Rocks need bearings but you can use old onces since they do not touch the ground.Diamet
Undercover grindrocks/grindwheels for better grind control on your grinds. The material is UHMW/Diamond plastic, this is the fastest plastic available for grinding. The Rocks need bearings but you can use old onces since they do not touch the ground.
Diameter: 46mm.
There are 4 grindrocks in one set.
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