TN 603160 13" .018"/500 Light Grit Scrub Brush for Tennant, 2/pk Our lightest grit brush in this series. Softer .018" Hahls or DuPont Nylon is impregnated with small 500 grit silicon carbide granules. These light grit scrub brushes are great for medium to light scrubbing of tile, vinyl, rubber, sealed concrete, unsealed concrete with light soils, and on stone surfaces such as marble, slate or terrazzo. Fits Tennant 5520 (built from 2001-2007) and Nobles Speed Scrub 2601 (built from 2001 - 2007). We also offer a heavy grit scrub brush (use our TN 603161) for unsealed concrete scrubbing. Priced per set of 2 brushes. Replaces Tennant 603160. Our Part Number TN 603160