TN 57556 48" 8 Double Row Proex/Wire Main Broom for Tennant 360 Sweepers. Our best selling broom. A mix of different diameter x-shaped polypropylene blended with crinkle wire. Designed for use indoors and outdoors on smooth to irregular surfaces. Can be used in wet or dry conditions. Great for larger litter and debris. Fits Tennant 360 sweepers. Will not Tennant 365 sweepers. Replaces Tennant 57556, Carlisle/Flo-Pac 710548, 36710548 - Our Part Number TN 57556