Moore's Discs Waterproof 3/4" Pack of 200 Discs Ring Mountings Stage 3 Charcoal Refill: NC-APC

Stage 3 Charcoal Refill: NC-APC — Otto Frei #147

Platinum composition: 95% platinum / 5% ruthenium

9% removal efficiency—no outside venting required

Compatible with optional silencer for reduced noise

Moore's Discs Waterproof 3/4" Pack of 200 Discs Ring Mountings Stage 3 Charcoal Refill: NC-APCMoore's Waterproof Discs are silicon carbide abrasive discs designed for use wet or dry, giving jewelers and metalsmiths flexible control over their sanding and finishing work. Built on a flexible paper backing with a brass center, these discs snap securely onto special 3 32" mandrels (sold separately) for quick, tool free changes at the bench. Each pack contains 200 individual discs, making them an efficient choice for high volume finishing