Vitrified Mounted Point Abrasive Material Ceramic Bond Type Vitrified Overall Dia 3/4 in Overall Thickness 1 in Shank Dia 1/4 in Grit 80 Shape A23 Primary Material Application Carbon Steel Stainless Steel Shank Length 1 1/2 in Specification 3NQ80-OVS Operating Speed - Maximum 40 300 RPM Series Quantum 3NQ Grade Medium Compatible Tool Type Die Grinder Flexible Shaft Grinder Straight Grinder Pencil Grinder Drills