TN 240234 14" Nylo-Grit Abrasive Bristle Scrub Brushes with Lugs for Tennant 5540, Nobles SS2701 Scrubbers. 14" diameter block. .050" Tynex-A or Hahls Nylon with 80 grit silicon carbide. Designed for heavy scrubbing on unsealed concrete or on sealed concrete with heavy dirt and debris. Includes P74 drive lugs. Fits Tennant 5540 and Nobles 2701 Speed Scrub w/FAST manufactrued from 2001 to 2007. Check your model before ordering. Most machines require two brushes. Priced per Set of 2 Brushes. Tennant List Price $394.00 per pack of 2. Replaces Tennant, Nobles 240234