This kit contains the tubing and fittings needed to add an additional GC to your lab bench. Kit includes a tubing cutter; one 1/8-inch x 1/4-inch reamer; one 1/4-inch x 1/8-inch brass tube end reducer; one 7/16-inch wrench; one 1/2-inch wrench; four 1/8-inch brass tees; ten 1/8-inch brass nuts; ten brass front and back ferrules; and 50 feet (15.2 meters) of our instrument-grade cleaned 1/8-inch copper tubing.