TN 57552 48" 8 Double Row Crinkle Wire Main Broom for Tennant 360 Sweepers. A specialty broom. All crinkle wire main brooms are designed for use where packed dirt and debris need to be removed. Can be used indoors in industrial settings. Be mindful of spark issues if combustibles are in proximity of the sweeper. Fits Tennant 360 sweepers. Will not fit Tennant 365 sweepers. Replaces Tennant 57552, Carlisle/Flo-Pac 710748, 36710748 - Our Part Number TN 57552