Size: 4-1/2"Arbor: 5/8"-11Grit: 240Color: BlueAbrasive Grit Is Impregnated Throughout Each BristleUsed For Deburring, Blending, Cleaning, Scrubbing, Roughing, Surface Preparation For Primers, Paints And Adhesives, Stain Removal, Flash Removal, Surface Finishing, Stripping Of Old Paints And Finishes, Removal Of Surface Rust, Corrosion, Removal Of Weld Scales And MoreCan Be Used On Various Materials Such As Metals, Woods, Plastics, Rubber And MoreLasts Up To 10 Times Longer Than Wire WheelsSafer To Use, Will Not Shed Bristles Or Puncture Skin Like WireMax RPM: 12,500