Made of aluminium material, the repair tool set can handle most of the dent removal without hurting the original paint. It is easy to operate, suitable for common people to use. It works great on auto body ding size dents and most of the can be finished in half hour. Feature - Color: As shown. - Material: Aluminium Alloy. - Length: 15 cm/ 5.91 in - Diameter of round suction cup: 3.5 cm/ 1.38 in, 3 cm/ 1.18 in, 2.6 cm/ 1.02 in, 2.2 cm/ 0.87 in - Diameter of oval suction cup: 3.2 cm/1.26 in, 3.1 cm/ 1.22 in - Clean the surface of the dents, choose the tabs according to the metal plate dent on your surface, and check whether the size of selected tabs are appropriate or not. - The tabs can be used repeatedly after they are cleaned. Please don't throw them after each use. - Use the balance bridge to adjust the exerting pressure gradually according to the size of dents until the dents are restored to smooth. - Suitable for the sheet metal processing of truck, automobile, refrigerator, motorcycle body, washing machine etc. - Note: There are only tabs and balance bridge in the package! Package list: 1 x Balance Bridge 6