PORTER CABLE Restorer Steel 3 in Grinding Sanding Polishing Wheel White Mailbox Oil free pump for no maintenance operation Oil free pump for no maintenance operation 40 in Certifications and Listings UL Listed Manufacturer Warranty 3 Year Manufacturer's Warranty Sub Brand N A Series Name Restorer Application Grinding Material Steel Type N A Wheel Type Grinding Sanding Polishing wheel Grit N A Diameter (Inches) 3 Thickness (Inches) 4 Arbor Diameter N A Threads Per Inch 1 For Use with Concrete & Masonry Yes For Use with Aluminum Yes For Use with Tile No For Use with Stainless Steel Yes For Use with Ductile Pipe Yes For Use with Asphalt No For Use with Ferrous Metal Yes Package Quantity 1 Warranty None CA Residents: Prop 65 Warning(s) No For Use with Cut Off Saws No For Use with Angle Grinders No For Use with Chop Saws No UNSPSC 23131500 For Use with Circular Saws No aluminum and steel Raises the grain on hard woods Fits all restorer tools Heavier rust removal