High Quality Materials Made of high quality PU material, this straight air connector has a simple structure, solid, resistant to aging and abrasion, ensuring maximum strength and durability , durable and long-term use. Plug-in Design Simple plug-in design, strong and secure connection. The installation of the pneumatic quick connector is carried out in one step, which makes the connection faster, saving time and effort, and can be completed in a short time. High Pressure ResistanceHigh pressure resistance, no tripping, pneumatic quick couplings can withstand increasing pressure without tripping, easy installation and long service life. Circular Trigger Ring Both ends are circular release rings, with an oval design, which is convenient for pneumatic installation in a confined space, and it is more convenient and more economical to disassemble. Quantity and SizeYou will receive 12 pieces straight plastic connectors in black, with a length of about 3.8cm, used to connect pipes with a diameter of 8mm, the threads are coated with PTFE glue and the waterproof performance is good. Note: 1. Please allow error due to manual measurement. Thank you for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.