Product Description: 1. Versatile Wide Application: Boasting built-in, hinged can adapters, this versatile tool seamlessly adapts to a diverse range of can sizes, from standard refrigerant cans to even the smallest oil charge containers. Compatible with R12 and R134A refrigerant & oil or additive 2. Reliable Performance: Solve the problem the adapters do not seal properly to the can that lose half the refrigerant. This innovative design addresses the common issue of adapters failing to form a tight seal with refrigerant cans. It offers a swift and effortless connection to cans of R12 or R134A refrigerant, oil, or additives, revolutionizing the maintenance process of automotive air conditioning systems. .