Keystone Industries Ultra-thin Abrasive Discs have the exceptional combination of thinness, strength and cutting qualities, which have made them an indispensable industry standard. These abrasives are used for fine cutting and finishing on porcelain interproximals and margins. The pure fine silicon carbide abrasive is a unique formulation that will not discolor porcelain. Best used between 10,000 and 12,000 rpm.

• Pure silicon carbide discs
• Gray coloring
• 7/8" x 0.009" (22.2mm x 0.22mm0
• 25 per box
• Best results at 10,000-12,000 RPM