Precise Fit: With an outer diameter of 1 inch, an inner diameter of 0.32 inch, and a height of 0.71 inch, we guarantee a perfect fit for your sweeping system. Maximum Compatibility: Our units are compatible with O-Cedar systems and 90% of all other sweeper brands on the market. Perfect Match Guarantee: We strongly recommend comparing the size and shape of your product with ours before purchasing to ensure you get the perfect match.