Carlisle 4188000 Sparta Spectrum Omni Sweep Head design combines the features of fine, medium and heavy floor sweeps all in one convenient product. Synthetic bristles have an angled pitch for fast, effective sweeping on all types of floor surfaces. Short, heavy bristles in front easily sweep up heavy debris while Long, fine/medium bristles in back sweep fine dust and particles. Graduating trim from 1.63 inches to 2.38 inches. Threaded handle hole. Polypropylene. Handles not included. Made in USA.