100 PZ Lucidatura Gomma Disco Extra Grosso Gioielli Strumento Rotante Lucidatrice Metallo
Grit(μm):151 to 213. Grit Mark: D151 to D213. How to distinguish the coarse of the burs?. Extra Coarse. Material:synthetic rubber mixing with normalabrasive. Rubber Polishers. Size: 22 3.5. M27 to M76.