J0815 Quick-Change Sanding Disc Abrasive Type Coated Abrasive Material Zirconia Alumina Backing Material Polyester Backing Weight Y Coating Coverage Semi-Open Grade Extra Coarse Grit 36 Overall Diameter 1 1/2 in Quick Change System TS Series BlueFire R860 Maximum Operating Speed 30 000 RPM Color Blue Package Quantity 100