This Roughneck Nylon Brush has been designed specifically for cleaning the inner barrel of the Roughneck Ultimate Mortar Gun post-application, enhancing both the gun's longevity and functionality. It's also compatible with all other Roughneck mortar and barrel adhesive guns. https://elecena.pl/product/27203316/roughneck-32-190-nylon-brush 2024-11-09 https://elecena.pl/product/27203316/roughneck-32-190-nylon-brush 2025-03-21