Vitrified Mounted Point Abrasive Material Aluminum Oxide Bond Type Vitrified Overall Dia 1 5/8 in Overall Thickness 3/8 in Shank Dia 1/4 in Grit 60 Shape A36 Primary Material Application Carbon Steel Shank Length 1 1/2 in Specification 38A60-P Operating Speed - Maximum 23 510 RPM Series Gemini 38A Grade Medium Compatible Tool Type Die Grinder Flexible Shaft Grinder Straight Grinder Pencil Grinder Drills