1. tube benders, tools for refrigeration and air conditioning 2. for tube 1/4, 5/16, ... /8 inch (6~22mm) tube benders, tools for refrigeration and air conditioningincludes CT-999R, CT-312, CT-209, for tube ... 4, 7/8 inch and 6, 8, 10, 12, 16, 19, 22 mm, packed in blow-mold casePrimary Competitive Advantages:Quality ... more information. Tube Benders, tools kit, for refrigeration and air conditioning systems