Rotary Rasp Rotary Tool Accessory Type Rotary Rasp Bit Material Alloy Steel Shape Tapered Cone Max Speed 2 500 RPM Shank Diameter 5/8 in Mount Type Mounted Overall Length 1 3/8 in Burr Diameter 5/8 in Head Length 1 3/8 in Head Width 5/8 in Material Application Bronze Iron Mild Steel Plastic Soft Metal Wood