Klein 68310 Ratcheting Refrigeration Wrench 5-1/2"Klein Tools 68310 Description Klein Tools' Ratcheting Refrigeration Wrenches have two different size openings at each end that are designed to work with valve stem sockets and refrigeration packing gland nuts. They also work well for beam clamp installation. These fully reversible ratchet wrenches are ruggedly built and compact in size. Klein Tools 68310 Includes (1) Ratcheting Refrigeration Wrench Klein Tools 68310 Features Designed for refrigeration