The Lock Technology SAE Thread Chaser Socket Kit, No. LT999, is designed to recondition threads on SAE high pressure male/female fittings. The hollow end tap slides over flared end of line for easy re-threading female connector. The sockets allow thread reconditioning with flared tip supply line inside pressure fitting. The sockets features a compact design with a pass through bored out center hole on each socket, ideal for gas, AC, and liquid high pressure fittings common in heavy equipment, trucking, marine, and aircraft industries. The kit offers easy hand operation with supplied handle and is made with heat treated alloy steel.