... , tools for refrigeration and air conditioning 2. for tube 1/4, 5/16, 3/8, 1/2, 5/8, 3/4, 7/8 inch ... CT-999R, CT-312, CT-209, for tube 1/4, 5/16, 3/8, 1/2, 5/8, 3/4, 7/8 inch ... free to contact us for more information. Tube Benders, tools kit, for refrigeration and air conditioning systems