Discover the perfect solution for your knitting machine with this brand new sponge bar. Crafted from high-quality sponge material, this essential item is compatible with a wide range of models including KH821, KH831, KH851, and more. Say goodbye to worn-out parts and hello to seamless knitting with this must-have accessory. Upgrade your knitting experience today! ==== FEATURES: ===== 1. A - Accessible Design: Our product features a user-friendly design that allows you to easily replace the sponge bar. With a flat surface and a screwdriver, you can effortlessly open two layers of the blank arrow head, providing convenient access to the sponge bar. 2. B - Brilliant Sponge Removal: Say goodbye to the hassle of removing the old sponge! Our innovative product allows you to effortlessly remove the white plastic head, exposing the original sponge. This simple yet effective process ensures a seamless replacement experience. 3. C - Cleaning Made Effortless: We understand the importance of maintaining cleanliness. That's why our product enables you to easily clean the original sponge. With just a few simple steps, you can ensure that your sponge bar remains hygienic and ready for use. 4. D - Durable Restoration: Our product ensures a durable restoration process. Once you have cleaned the original sponge and replaced it with the new sponge bar, you can effortlessly restore the white plastic head back to its original position. The white lever pressure holder ensures a secure and long-lasting fit, providing you with a reliable and efficient sponge bar replacement solution.