Amazon.com: LIZMOF Grinding Wheels 4-1/2 x 7/8 Inch for General Purpose Metal & Stainless Steel, Aluminum Oxide Grinding Disc for Angle Grinder, Type 27, 10 PCS : Industrial & Scientific
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Amazon.com: S&R 25 Pcs Angle Grinder Cut-Off Wheels 4.5 INCHES/Cutting Wheel for Metal and Stainless Steel, 4 1/2" x 3/64" x 1" / 115 x 1.0 x 22.23 mm, Utra Thin Disc
DIABLO 4-1/2 in. x 1/4 in. x 7/8 in. Metal Grinding Disc with Type 27 Depressed Center DBD045250701F - The Home Depot
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4 1/2' Super Long Durable Zirconia Grinding Wheels Flap Disc Type 27 for Stainless Steel Metal Angle Grinder Power Tools - China Auto Parts, CNC Machine | Made-in-China.com