Features: Convenience and practicality: The kit includes a sufficient number of spools, spool removal tools, seals, and thimbles. This allows you to quickly replace these parts when needed to ensure the efficient operation of the AC retrofit fitting adapter. Ideal tool set for car air conditioning repair: This comprehensive tool set is an ideal solution for car air conditioning repair. Whether you are a professional mechanic or a DIY enthusiast, this comprehensive kit can cater to all your car air conditioning service and repair needs. Specifications: Material: copper Color: red, blue and goldSize: as shown in picturePackage includes: 1 x Red high pressure R1234YF quick coupler1 x Blue low pressure R1234YF quick coupler5 x Extra low side dust caps5 x Extra high side dust caps5 x R134A valve cores2 x R1234YF valve cores20 x Hose seals5 x Thimbles1 x Valve core removerNotes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. Complete Tool Set: 1 90° red high pressure R1234YF quick coupler, 1 90° blue low pressure R1234YF quick coupler, 5 extra low side dust caps, 5 extra high side dust caps, 5 R134A valve cores, 2 R1234YF valve cores, 20 hose seals, 5 thimbles and 1 valve core remover Quality Materials: the R1234YF to R134A convert adapter, spire, and thimbles included in your kit are made from copper material; This provides rigorous internal structure, heat resistance, durability, and rust resistance, ensuring longevity over time Thread Size: 90° Red high pressure R1234YF quick coupler: 1/4" SAE male x 17mm R134YF high side, 90° blue low pressure R1234YF quick coupler: 1/4" SAE male x 14mm R134YF low side, high side r134a quick adapter: 1/4" SAE female x high pressure 16mm R134A quick coupler, low side r134a quick adapter: 1/4" SAE female x low pressure 13mm R134A quick coupler Design for Leak proof Sealing: the hose seal is crafted from HNBR material which is known to be reliable and highly resistant to deform; This ensures a good seal, contributing to the efficient operation of the AC retrofit fitting adapter, and reduces potential leaks in the vehicle's AC system Wide Compatibility: enjoy the convenience of our low/high side R1234YF to R134A conversion adapter which is suitable for converting R134A to R1234yf; This feature makes the kit versatile and adaptable for various repair and maintenance activities on different automobile AC systems