"X" weight cloth backing is extremely durable and will withstand tearing
Editorial Review:
mfr: 3M CORPORATION THREE-M-ITE RESIN BOND CLOTH Aluminum oxide abrasive X-weight cloth backing Open coat construction unless noted 27498 3X21 60X RESN BOND BELT QTY/PK:10/Pkg. GRIT:60X3" x 21"