Features: Selected from corrosion-resistant metal, it will not wear out or rust over time. It is a convenient spare part for your use. The perfect solution for converting R12 to R134A in refrigerators and automotive air conditioner units. Crafted from metal, this kit ensures reliable seal for maintaining cooling performances. Suitable for professional HVAC technicians, auto repair specialists, and enthusiasts looking to perform maintenance or conversions on air conditioning systems. Whether home or in the garage, this tap Valves kit is designed for straightforward installation, making it a go to tool for quick and efficient air conditioner repairs or upgrades. Specifications: Component:Metal+ABS Size:Approx.1.5x2.7cm/0.7x1.2inch Package Includes: 1 Set Piercing Tap Valves note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.