Amazon.com has DeWalt DW4523 4-1/2″x1/4″x5/8″ Metal Grinding Wheel for $1.93 after checking out via subscribe & save. Shipping is free.
- High-performance aluminum oxide grain construction
- Long life and high material removal
- High-grain concentration for aggressive grinding action and smoothly running wheels
- Proprietary material mix ensures durable
- 3 full sheets of fiberglass for reliability and safety