TN 11861 42" 8 Double Row Proex/Wire Mix Main Broom for Tennant Sweepers - Splined Drive. A mix of crinkle wire and a blend of different diameter x-shaped polypropylene for a great, general duty sweeping broom. Proex and wire brooms can be used for most sweeping tasks on sealed and unsealed concrete. These can also be used outside on concrete or asphalt surfaces. Fits Tennant 255-II, 275-II and 285 series sweepers. Will not fit Tennant 255 and 275 sweepers (See 53221). Priced Each. Replaces Tennant 11861. Our Part Number TN 11861