DEWALT 4.5-in Aluminum Oxide 24-Grit Cutting/Grinding Wheel in the Abrasive Wheels department at Lowes.com
SHDIATOOL Diameter 4.5 Inch (115mm) Diamond Grinding Cup Wheel Concrete, Grinding Disc Segmented Turbo Type Sanding Disc Wheel
Grinding Wheel for Grinders,Grinding Wheel for Metal ,Aggressive Grinding for Metal (25 Pack, 4.5 Inch,1/4" Thick, 7/9"): Amazon.com: Industrial & Scientific
4.5" HDII - ENDLESS Cutting + Grinding Wheel - Bad Dog Tools
Amazon.com: 50 Pack Grinding Wheels 4.5" x 1/4" x 7/8" for Metal : Industrial & Scientific