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These socks will keep your nozzle clean and free of burnt on blackened plastic. They don’t just keep the nozzle clean, but also keep heat inside the hotend, and off the print.

Made of a heat-resistant, non-stick silicone material our will repel build-up of molten plastic. This really helps with sticky materials like Co-Polyesters and filled materials that like to build up on nozzles.

These also offer a huge boost in temperature stability, particularly if you use high airflow cooling around the nozzle to cool the print. The additional cooling combined with reduced radiation of heat from the block and nozzle to the print really boost the ability to print great overhangs and bridges, all while keeping the hotend temperature extremely stable.

The covers simply push onto the front of the hotend with no disassembly - they will be a tight fit when first pushed on cold. When hot the silicone will expand to the correct size to fit the hotend snugly.