12 Inch disc 180 grit abrasive scrub brush. Alternate brush option that fits the Tennant 5400 (24"), T5 (24"). 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 5400 and Tennant T5. Compare to Tennant 1220181 (Super Abrasive 46 Grit)

Fits Aftermarket Tennant 1220181 180 Grit (775992B)