These tube expanders can be used to expand the diameter of copper and can be used for air conditioner repair. Using aluminum alloy and steel as the material, they are strong and durable, not easy to damage, can help you solve the problems in life and save your time. Features -Color: -Material: Steel, aluminum alloy. -Size: About 27.00X7.00X6.00cm/10.61X2.75X2.36in. -Mold size: 3/16", 1/4", 5/16", 3/8", 7/16", 1/2", 5/8". - length: 12.7 cm/5 inches. -Clip length: 12.5 cm/4.9 inches. -Flaring tool length: 17.5cm/6.9". -Bending tool length: 26.5cm/10.4". - Made of steel and aluminum alloy, rugged and easy to use, your good assistant for work and life. - This kit is specially designed for flaring, and can be used to make single flaring or double flaring. - Equipped with bending tools, the can be bent accurately by 180 degrees. Suitable for 1/4 inch, 5/16 inch and 3/8 inch . parts are neatly packed in a storage box, which is convenient to carry at home or out. - It can be used for copper tubes, brass tubes or thin-walled aluminum tubes. Package list: 1 x clip 1 x flaring tool 1 x tool 1 x bending tool 7 x double flaring mold 1 x storage box