????Description: This Cylinder Liner Puller Is Made of #45 Steel Which Has Good Corrosion and Wear Resistance, so It Is More Durable and Can Be Used for a Long Time. Compared with the Traditional One, This Cylinder Liner Puller Is Ergonomically Designed with a Press Rod, Which Is More Labor-saving and Facilitates Your Use During Operation. ????Specification: Product: Cylinder Puller Max. Pulling Force: 20ton Material: #45 Steel Maximum Stroke (Piston Push Rod): 5cm/1.