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 rough bristles create a coarse and heavy sweep Ideal for rough surfaces and unaffected by water or petroleum products Perfect for cleaning outdoor dirt like mud, leaves, rocks or landscaping Great for the toughest of messes