Gator 4.5-in Silicon Carbide Sanding Wheel in the Abrasive Wheels department at Lowes.com
amoolo 4 1/2 Inch Flap Disc, 10PCS-60 Grit Angle Grinder Sanding Discs, High Density Abrasive Grinding Wheels Type 29 for Metal/Wood Grinding (7/8 inch Arbor Size) - Amazon.com
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Amazon.com: 9Pcs Angle Grinder Carving Disc Kit Including 3 Wood Shaping Grinding Disc, Speedcutter, Wood Carving Chain Disc and 4 Sanding Wheels for 4" or 4 1/2" Angle Grinder for Woodworking Cutting