Dual purpose, split-tip polypropylene fibers. Stiff inner fibers sweep concrete, asphalt and wood with ease. Soft outer fibers sweep away fine dirt and dust. Steel die-cast connector bolted into 1-1/8 in thick solid hardwood block and steel tee-pee broom brace to secure 60 in handle, defer stress and balance the load during sweeping. 3 in Bristle.