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Feature
Unique set of all-spherical grinding bits for Dremel-type rotary tools in durable storage case11 ball sizes from 0.6mm to 6.0mm; 2.35mm-diameter shanks
Each embedded with industrial diamond-grit for an incredibly-hard abrasive surface
Diamond bits are favored for use with glass, tile, stone and hardened metals
Excellent for carving, engraving, forming, drilling and filing/material removal