3M 3" Radial Bristle Disc 6 Ply Brush - 400 Grit Blue Speed Brite Part # Stone Size 64-438

Part # Stone Size 64-438 8mm x 6mm 64-439 9mm x 7mm

Mandrels and tools sold separately

These die-struck 6-prong solitaire ring mountings are designed to showcase a round 8

making them the hardest steel files available

sized at 1

3M 3" Radial Bristle Disc 6 Ply Brush - 400 Grit Blue Speed Brite Part # Stone Size 64-438The 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