20 Inch disc 500 grit abrasive scrub brush. Alternate brush option that fits the Tennant 7300 (20"), 8200/8210/8300 (20"), T17 (20"). This brush is less abrasive than the 46, 80, 180 and 120 grit but more abrasive than the polypropylene and nylon options available for the Tennant 7300, Tennant 8200/8210/8300 and Tennant T17. Compare to Tennant 378951 (Super Abrasive 46 Grit)

 Fits Aftermarket Tennant 378951 500 Grit (772283A)