This Vevor 45° eccentric single tube flaring kit is designed to create precise, leak-tight flares for HVAC, refrigeration, and air conditioner repair work. It supports both SAE and metric copper and aluminum tubing sizes, making it versatile for a range of service applications. The hardened carbon steel construction is built for repeated high-force use and long-term durability. Clear size markings and an automatic clutch help improve accuracy and ease of operation. The kit also includes essential accessories for cutting, deburring, and organized storage.