Amazon.com: Walter 15L463 4-1/2x7/8 Flexcut Grinding Wheels Contaminant Free Type 29 Grit 36, 25 Pack : Industrial & Scientific
Amazon.com: Flexible 5" Diamond Cup Grinding Polishing Disc Wheel with RCD Newest Technology & Rubber Cushioned Body for Universal Purpose (Flexible, 5", 4.8 oz Very Light) : Industrial & Scientific
Rex Cut Max Flex Grinding Disc 4 1/2 X 5/8-11 T27 Max Flex A54 (891003) | Zoro
4-1/2" Silicon Carbide Semi-Flexible Disc
Pearl Abrasive - 4-1/2" X 1/8" X 5/8-11" Flex Grinding Wheel - RAM Welding Supply
3) NORTON 4-1/2" x 1/8" x 7/8" 30425 Grinding Wheel Stainless Mild S Flex 60 | eBay