3M 3" Radial Bristle Disc 6 Ply Brush - 400 Grit Blue Speed Brite making them the hardest steel

making them the hardest steel files available

Abrasive strips bonded at the edges for easy layer removal

sized at 1

Hand-held design for flexible use at the bench

31 precision holes graduated for even

3M 3" Radial Bristle Disc 6 Ply Brush - 400 Grit Blue Speed Brite making them the hardest steelThe 3M 3" Radial Bristle Disc 6 Ply Brush in 400 Grit Blue is a pre assembled finishing brush designed for use on a jeweler's polishing lathe. Six individual 3M radial bristle discs are mounted together on a 2 piece plastic tapered spindle mount, creating a ready to use 6 ply configuration that delivers consistent surface finishing performance straight out of the package. This assembly is configured for right hand use on a polishing lathe. The 2 piece