Self Closing Quick Connectors Pneumatic Fittings For Pneumatic Equipment Feature:1. 5 sets of fittings: including 5pcs quick connectors and 5pcs locks, enough for easy connection and .2. Plastic steel: made of excellent plastic, it has good rigidity, aging resistance and corrosion resistance, and is not easy to rust.3. Tight thread: These self-closing air fittings have a tight thread structure, which is transparent and wear-resistant, and is not prone to breakage.4. Steel balls: built-in high-hardness steel balls, with tight and smooth buckle, and the operation is convenient and reliable.5. Standard size: maximum pressure resistance up to 20kgf/cmsup2;, wide range of applications, suitable for standard hoses with inner diameter. Specification:Item Type: Quick ConnectorMaterial: Stainless Steel PlasticMaximum Pressure Resistance: 20kgf/cmsup2; Working pressure: 0 - 0.92kgf/cmsup2; Operating Temperature: -35°C - 60°C Package Temperature: 5 x Connectors5 x LocksNote:1. When using the connector, do not pull out and insert the hose frequently, which will affect the service life of the connector and hose.2. After inserting the pipe into the connector, it should be inserted into the bottom of the connector to avoid air leakage.3. When pulling out the hose, first confirm that there is no pressure in the pipe, press the connector cap all the way down and pull the hose out. 1) we accept Alipay, West Union, TT. All major credit cards are accepted through the payment processor's secure escrow. 2) Payment must be made within 3 days of placing the order. 3) If you can't check out immediately after the auction ends, please wait a few minutes and try again, payments should be completed within 3 days. About Shipping 1.