SE MC14 1" Abrasive Red Buffing/Polishing Wheels with 1/8" Shank Mandrel (Pack of 36), 240 Grit 100% Abrasive Aluminum Oxide 36-Pack of buffing/polishing wheels Buff material: Abrasive red aluminum oxide Wheel-shaped head; Head diameter: 1 Shank diameter: 1/8 Buff grit: 240