547-66252826569 Features: -Quality Aluminum Oxide abrasive in a high performance bond system.-Over 28pct better cut rate than standard aluminum oxide.-3X the life and 2X the cut rate of standard aluminum oxide wheels.-Excels on a broad range of materials, from alloys and stainless to gray iron.-A high percentage of premium Norzon (zirconia alumina) abrasive grain blended with aluminum oxide.-Arbor Diam: 7/8 in.-Abrasive Material: Aluminum Oxide.-Applicable Materials: Steel, Most Metals.-Quantity: 25 per pack.-Price is for 1 Each. Dimensions: -Thickness: 1/16 in.