3M Regalite Resin Bond Cloth Purple Sanding Belt 761D is a tough, aggressive belt. Best productivity and value on bare wood or nongummy finishes. Cuts faster, runs cooler.
Starcke Ceramic Belt is a high-performance ceramic abrasive with precise coated abrasive grain.
Starcke Blue Zirconia Belt with the combination of zirconia and aluminum oxide abrasive grain guarantees a long belt life.