Feature: 1. Such quick connector is applicable to compressed gas, easy to use in the practical life. 2. With exquisite craftsmanship, this round connector supports high performance according to strict rule. 3. Guaranteed quality helps plastic steel quick connector get great popularity, which is durable to use. 4. Not easy to wear, in high hardness, air connector supports good sealing, which is practical. 5. As one of self-locking C-type quick plug connector, such mechanical accessory is suitable for 8 / 10 / 12mm PU Tube. Specification: Item Type: Connector Material: Plastic steel Scope of Application : Compressed gas Temperature Resistance: 100 (℃) Pressure Resistance: 1.5 (MPa) Pipe Diameter: (Approx. 8mm / 0.3in (20)) /(Approx. 10mm / 0.4in(30)) / (Approx. 12mm / 0.5in(40)) (optional) . Package List: 10 x Connector Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.