Features: Enhances your 3D printing with 3D Printer Accessories Pneumatics Connectors Set, to improve print Precisions and efficiency by ensuring smooth filament Flows. This set features Pneumatics connectors and optimally long guide tube, for most popular 3D printer models for integration. for 3D printing enthusiasts, professional designers, engineers, and educational institutions performances and ease of use. Perfect for applications in prototyping, model making, educational teaching, and creative projects, ensuring consistent output and minimal printing issue. from aluminum alloy and plastic, this user friendly set is easy to install and replace, making it valuable addition to any 3D printing toolkit. Specifications: Materials: Aluminum alloy+plastic Guide pipe length: 1m/39.37inch Package Includes: 15Pcs Pneumatics Fitting Kit note: Please allow 0-1cm error due to manual measurement. makes sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item. Thank you!