P.I.T. 3Pack 4 1/2 Inch Cut Off Wheel for Wood/Metal/Marble/Plastic-7/8 Inch Arbor Angle Grinder Cutting Disc 4.5 Inch- Tungsten Carbide - 115 mm - Amazon.com
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Spyder Diamond Bite Diamond Edge 2-Pack 4.5-in Diamond Cut-off Wheel in the Abrasive Wheels department at Lowes.com