13 Inch disc 500 grit abrasive scrub brush. Alternate brush option that fits the Tennant T12 (26"). This brush is less abrasive than the 46, 80, 180 and 500 grit but more abrasive than the polypropylene and nylon options available for the Tennant T12. Compare to Tennant 1220232 (Super Abrasive 46 Grit)

Fits Aftermarket Tennant 1220232 500 Grit (779283A)