1. UNIVERSALFIT APPLICATION This brand tire changer mount / demount head is a tire machine part that works well with most common professional or DIY homemade tire changing machines. Tire machine parts make it easier for you to maneuver when mounting or unmounting your tires. To ensure you a better shopping experience, please confirm fitment by checking shapes and measurements on product images with the current one in your hand. 2. MAXIMIZES PERFORMANCE Our duck head tire repair parts are designed by skilled artisans who pay attention to every detail and are made from highquality metal and plastic with a smooth surface to reduce friction and make tire changing r, faster, and more efficient. This wheel tire repair tool prevents wheels from scratching and damaging when clamping wheels from inside clamps. 3. CHECK BEFORE OPERATION Check that the mountdemount head bolt and allen set screws are tightened. Check the tire and wheel carefully before mounting. Make sure the tire bead diameter and wheel diameter match exactly. Attempts to force a bead seat on mismatched tires and wheels can cause the tire to violently explode, causing serious personal injury or death to the operator and/or bystanders. 4. NOTE ON SPECIAL WHEELS Most aftermarket and many OEM performance wheels are REVERSE DROPCENTER configurations. These wheels MUST be mounted on the turntable with the hub or wheelface POSITIONED DOWNWARD on the turntable and the Narrow Side and deep part of the Drop Center facing upward. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store