Diameter: 4"Thickness: 1/2"Material: CottonArbor Size: 1/2"Orange Stitching Is In A Spiral Pattern, 1/4" Spaced Between The Rows Of Stitching, Beginning At The Arbor HoleTightly Stitched, Turned And Balanced Which Provides Extended, Uniform Wear And A Longer LifeCan Be Stacked Together For A Thicker Working FaceMay Be Used On A Handheld Drill Or Bench GrinderMax SFPM: 7,200