Silicon polishing discs, lens shape, 100 pcs. ☆☆

100 pcs. silicon-discs of one grit, lens shape, for all metals include titanium and Cr/Co.

Coarse: ~150-180 - picture 1
Medium: ~320 - picture 2
Fine: ~700 - picture 3

Diameter: 22 mm
Thickness: 3 mm
Grit: make your choice
R-max : 12.000 rpm