This is an oil seal installation tool that can buckle the oil seal into an shape and install it in a deep hole. It is made with excellent craftsmanship so that the outer diameter of the oil seal is smaller than the inner hole of the end to assist in the installation of the oil seal. This is a professional and practical U-shaped sealing rod, which will bring convenience to your installation work. Features -Color: Silver. -Material: Iron. -Size(S): About 12.00X2.20X2.20cm/4.72X0.86X0.86inch. -Size( ): About 12.00X4.40X4.40cm/4.72X1.73X1.73inch. -Size(L): About 12.00X2.20X2.20cm/4.72X0.86X0.86inch. -Inner diameter and width of oil seal (S): 22MM-40MM/below 8MM. -Inner diameter and width of oil seal ( ): 40MM-70MM/below 11MM. -Inner diameter and width of oil seal (L): 70mm-165mm/below 14MM. -The structure is reasonable, and the outer diameter of the oil seal is smaller than the inner hole of the end cover to facilitate the installation of the oil seal. -It is made of sturdy and durable iron material and has a . -It is mainly used to help you easily complete the installation of piston rod sealing. -It is made of excellent craftsmanship, with firm texture and not easy to deform, which provides convenience for your installation. -The tie rod seal can safely cross the acute angles of all metal grooves, bringing you a better experience. Package list: 1 x Hydraulic Cylinder Piston Rod