Designed for refrigeration packing gland nuts and valve stem sockets. Also designed for beam-clamp installation. Wrenches are compact in size with clearly marked sockets for four nut sizes. Quick-flip reversing lever permits instant ratchet reversal. Wrenches are ruggedly built with smooth edges for comfort. Both ends are offset 25° for more convenient use in confined spaces and on long studs. Different size at each end. Laminated construction for greater strength. Reverse ratcheting action by simply turning wrench over. Chrome-plated finish for rust resistance. Socket sizes 3/16 inch and 5/16 inch square x 1/4 inch and 3/8 square inch.