1. tube benders, tools for refrigeration and air conditioning 2. for tube 1/4, ... /2, 5/8, 3/4, 7/8 inch (6~22mm) tube benders, tools for refrigeration and air conditioningincludes CT-999R, CT-312 ... , 1/2, 5/8, 3/4, 7/8 inch and 6, 8, 10, 12, 16, 19, 22 mm, packed in blow ... feel free to contact us for more information. Tube Benders, tools kit, for refrigeration and air conditioning systems