LUCKUT Grinding Wheels Grinding Discs 4-1/2'' x 1/4'' x 7/8'' Grinder Wheel Center Metal Aggressive Grinding for Angle Grinders-5 Pack: Amazon.com: Industrial & Scientific
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
A Beginner's Guide to Angle Grinder Wheels | Ronix Mag
4 Inch Wood Carving Disc For Angle Grinder With 5/8-Inch Arbor Wood Shaping Disc Angle Grinding Wheel Rotary Tool Wood Cutting Shaper - Walmart.com