1/4" Air Die Grinder, 3 + 6mm Shank Grinding Polishing ...
Grinding Stones Air Micro Grinder Wrenches Tool Combine Set. 1 x Air Die Grinder. 2 x Collect Chuck, for 3mm and 6mm Standard Grinding Bits. 10 x Grinding Stones. 1 x Quick Connector Nitto Type. It's ideal for cleaning and polishing of jewelry, porting cyliner heads.