TN 603161 13" .065" Heavy Grit Scrub Brushes for Tennant, 2/pk. Our heaviest grit scrub brush in this series. Heavy grit scrub brushes are commonly used for stripping and heavy scrubbing jobs on unsealed concrete. We offer a couple of lighter grit scrub brushes (use TN 603160 for .018"/500 light grit) and order these and specify .035"/180 mid grit preference in the special instructions box at checkout. Includes 3 mounting lugs. Fits Tennant 5520 (built 2001 -2007) and Nobles Speed Scrub 2601 (built 2001-2007). Priced per set of 2 brushes. Replaces Tennant 603161. Our Part Number TN 603161