Abrasive Material: Zirconium Blend
Diameter: 4-1/2 in
Series: Steel Demon
Grit: 40
Type: Conical, Medium Duty, Premium, Type 29
Maximum Speed: 13280 rpm
Shank Size: 7/8 in
Grade: Ultra Coarse
Usage: For Grinding and Polishing Metal
Applicable Materials: Metal and Stainless Steel