General Information Brand Hookit™ Attachment Type Hook & Loop Bond Type Resin Coat Type Closed Coat Backing Type D Country Of Origin United States Sold As Carton California Residents Proposition 65 Warning Dimensions and Specifications Backing Thickness (Imperial) 3 mil Center Hole Diameter (Imperial) 0.87 in Center Hole Diameter (Metric) 22.098 mm Maximum Speed 15000 rpm Micron Grade 20 μm Overall Diameter (Imperial) 3 in Overall Diameter (Metric) 76.2 mm Grit Non Pertinent Width 0.18 yd0.16 m Height 0.18 yd0.17 m Length 0.03 yd0.02 m Volume 37.52 cubic inch614.79 cm3 Weight 6.4 oz181.4 g Other Details Industries Transportation & Heavy Equipment Sub Industries Cabinetry Product Category Coated Abrasives Usage Information Application Finishing Equipment - Machines Random Orbital Sanders Sub Applications AOEM Finish Prep/Repair Equipment Machines Random Orbital Sanders Material and Composition Abrasive Material Aluminum Oxide Backing Material Polyester Film Product Form Disc Grade Non Pertinent Color and Appearance Product Color Red