Feature●Silicone Wheels KNIFE Edge BLUE Fine●Jewelry Polishing EVE Germany●Silicone polishers, knife edge wheel impregnated with silicon carbide, produce a high luster finish useful for various metals and alloys.●Wheels are 7/8" x 5/32" with a 1/16" pin hole center for use with mini screw head mandrels.Description
Specifications: · Composition: Silicone Carbide · Grit: Fine (Step 3) · Color: Blue · Diameter Ø: 7/8" - 22mm · Thickness at Center: 5/32" - 4mm · Recommended RPM: 5000 to 10,000 · Hole Size: 1/16" - 1.5mm