The heavy-duty commercial push broom heads come in a 1 inch thick hardwood block with 2 holes for threaded handle reversal which includes a brace for added strength – The Beast™. The block has rounded corners on block for dent prevention and longevity. It also features the fullest fill possible with no crimped fibers used to artificially thicken block. The broom heads come with bristles that have split ends to decrease stiffness and add dust retention. Key Features Made with medium bristles that can handle rough surfaces as well as gentle ones Chemical and water resistant Ideal for debris clean up for indoor/ outdoor purposes Versatile for soft, medium to heavy messes