Vitrified Mounted Point Abrasive Material Aluminum Oxide Bond Type Vitrified Overall Dia 5/8 in Overall Thickness 5/8 in Shank Dia 1/8 in Grit 60 Shape B41 Shank Length 1 1/2 in Specification 38A60-P Operating Speed - Maximum 33 570 RPM Series Gemini Grade Medium Compatible Tool Type Die Grinder Straight Grinder