14 Inch disc 46 grit abrasive scrub brush. Alternate brush option that fits the Tennant T5 (28"), T500/T500e (28"). This is the most abrasive brush available for the Tennant T5 and Tennant T500/T500e. Compare to Tennant 1220217 (Super Abrasive 46 Grit)

 Fits Aftermarket Tennant 1220217 46 Grit (772831B)