Features 1.Complete and practical accessories, it is suitable for all cars for better performance. 2.Built with high‑quality materials, sturdy and durable, dependable for using. 3.Simple operation, convenient to use, high precision, and maximum durability. 4.Reasonable design is convenient for you to detect car air conditioning system. 5.Built to meet standard specification, strictly follow factory quality control. Specification Condition: 100% brand new Item Type: Car air conditioning leak detection tool Material: PA plastic, galvanized iron, aluminum Color: As Pictures Shown Fitment: Applicable to all cars Operating Steps: 1. After selecting the correct support plate to install the pipe or fitting, tighten the fixing screw until the cone is against the end of the pipe or fitting on the A/C assembly. 2. Hold the clamping screw by hand, and then turn the compression nut 1/8 to 1/4 turn. 3. To remove the clamp assembly, hold the clamp screw and remove it from the force nut to release the sealing cone without damaging the end of the cone. 4. When the adapter on the pipe or fitting is too small to touch the sealing cone, please replace the cone seal with a female seal. 5. To replace the sealing cone, hold the pressure nut and remove it from the set screw until the tapered part is pulled out from the end of the set screw. Insert the required sealing cone into the end of the clamping screw and tighten the screw until the screw is inserted into the bottom of the cone and use a slotless support plate against the end of the cone. Package List 2 x Plug Connector 12 x Sealed Rubber Ring 10 x Stainless Iron 2 x Connector