OD: 3/16 1/4 5/16 3/8 1/2 5/8 7/8 Thickness: SWG, Customized Features: Clean surface of internal and external, bright finish, high precision of size, single, double or multi-layer pancake shape, easy to transport, process and install. Applications: Air-conditioner, Refrigeration industry, pipeline system connection, installation and maintenance.
