These nylon insert rim protection kits are designed for the common duckhead style tire changer heads. They install inside the metal mount head to create a soft contact surface between the head and the wheel, protecting rims from scratching and gouging during mounting and demounting. Key benefits Protect wheels from scratches and gouges during tire changes. Reduce wear on the mount head by providing a cushioned contact surface. Easy to install and compatible with most standard duckhead/mount heads. Material and compatibility Made from durable nylon plastic for resilience and a smooth contact surface. Fits most common duckhead style tire changer heads used with standard tire changers. Verify compatibility with your model and duckhead size before installation. How it helps in practical use In a professional performing volume changes, it keeps wheels pristine. On a mobile service run with standard heads, it adds protection without adding significant effort. In a home workshop, it provides a simple, costeffective safeguard against wheel damage. Usage tips Install according to your changer's instructions and confirm a snug fit. Inspect for wear and if the surface shows signs of abrasion or deformation. Keep a spare set on hand for quick replacements during busy periods.