Merit Abrasives Type 29 Aluminum Oxide Contoured PowerFlex Discs
Aluminum Oxide is a good option for low cost, good initial cutting on low power machinesAngled face provides greater surface contact and are the best choice for fast stock removalFiberglass/resin backing plates are the most popular due to high strength, light weight and ability to absorb vibrationPoly/cotton backing combination for good cut rate and finishing