Comprehensive Split Adapter Kit: This product includes a complete set of 2for R32 R454B brass adapters (1/4 female to 1/4 male), 2 R410A brass adapters (516 female to 14 male), a valve core remover and installer, 5 valve cores, 5 thimbles, and 5 green gaskets, providing all necessary components for effective installation and maintenance of refrigeration systems.