ITEM: 60 Grit Aluminum Oxide Type 1 Internal Grinding Wheel GRIER ABRASIVES. MANUFACTURER: GRIER ABRASIVES. BRAND: Grier Abrasives. MANUFACTURER PART: T121/2W31101. 60 Grit Aluminum Oxide Type 1 Internal Grinding Wheel 21/2 Diam x 3/8 Hole x 3/8 Thick, 12,987 Max RPM, Medium Grade, K Hardness, Vitrified Bond (MOQ1, Pkg Qty1)CATEGORIES: Maintenance, Repair and Operational (MRO) Supplies. Grinding & Cutoff. Grinding & Cutoff Wheels. Internal Grinding Wheels. N/A. TOTAL RECYCLED CONTENT: 10.00%. POSTCONSUMER RECYCLED CONTENT: 1.00%. KEYWORDS: Grier AbrasivesGrinding & CutoffGrinding & Cutoff WheelsInternal Grinding WheelsN/A.