800-641 3/8'' Aluminum Line Splice Repair Kit Works for A/C, coolant Etc. Features: Effective Repair: This aluminum air conditioning line joint and connector will save you time and money by repairing only the damaged area instead of replacing the entire area. High Quality: Made of high-quality CNC Billet Aluminum and anodized coating, it has anti-corrosion and anti-rust properties with an unparalleled service life and excellent durability, providing worry-free repair services. .