Tube bender set for 1/4'', 5/16'', 3/8'', 1/2'' soft copper and aluminum by JB (RT24134). Exact bending up to 90º degrees. Special adjustments for small pipe diameters makes this ideal for refrigeration, air conditioning, oil supply, automotive, and pneumatic or hydraulic systems. The mechanical ratchet feed provides the ability for rapid and precise bending. The tooth rack with bayonette catch makes the bending formers quick and easy to change. The open bending frame allows for the production of repeated alternate angle bends. Set includes basic tool, bending formers for 1/4'', 5/16'', 3/8'', and 1/2'', and carrying case.