Filament joiner-- compatible with 1.75 mm filament providing versatile printing application for users. Filament connector 1.75 mm-- offer a reliable and efficient printing experience with this 3d filament connector. 3d filament sensor-- the included wrench makes the installation process a breeze saving you time and effort. 1.75 mm filament joiner-- with its sleek design this 3d printer accessory not only enhances the functionality of your setup but also adds style to your workspace. Welder connector-- 3d printer filament welder connector is made of aluminum alloy and abs sturdy and durable.