20 Inch disc 180 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 and 80 grit but more abrasive than the 120 and 500 grit 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 180 Grit (772292A)