HINZIC 12pcs 6 Sets Bowden Tube Coupler, Bowden Tube Coupler Connectors with Clips, Plastic Collet Coupling Clip Clasps for 3D Printer Accessories 4mm Filament Printer Parts- Black

["Package Content: These black bowden collet and clip sets come in 6 sets for your 3D printer use and replace, matching your common 3D printing maintenance needs.","Premium Quality: The bowden tube couplers are made of strong acrylonitrile butadiene styrene. They can stay stable under regular 3D printing temperature and pressure, keep a firm connection during printing.","Easy Installation: These bowden tube connectors support simple and quick setup. You can attach them to regular 4mm tubes without extra tools. The smooth structure lets you finish replacement quickly and start your project right away.","Unique Design: The bowden tube fittings hold tubes tightly and reduce unexpected disconnection during work. The simple design improves stability for your 3D printing tasks.","Available Occasions: These bowden tube couplers fit most standard 3D printers and feeding systems. You can use them for home printers, workshop machines and repair projects, fit different systems and support your various printing needs."]