Quantity: 86pcs. 80pcs Various Burrs -- All together 12 types variouse burr tip specially designed for different working demands. 12 Types Burr Bits: A/B/C2/C3/C7/D/E/F/G/H/K/Q. 80 Burr Bits. 6pcs Sanding Rings -- 6pcs various grits sanding ring (1000/1500/2000/3000/5000/7000), from fine to coarse, the more grit it features, the finer surface can be polishing.
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