These are the belts that fit the Flex BOA, our item number FN1503VRA. Sold per belt.
Aluminum Oxide, semi-open coat resin bonded with a special top coating to aid in cooling and to resist loading. Very flexible, J-Flex cloth backing for severly contoured workpieces. Best suited for stainless steel and high alloy steels, other ferrous metals and non-ferrous metals.