1All hydraulic seals, entire journey buffer, stable performance, excellent sealing, no oil leakage. 23component integrated kits, air spring for more lifting power, a special spring provides vertical force to initiate upperbody movement 3Because of the repeated telescopic testing, its service life up to tens of thousands of times. 4A small stainless steel washer ensures smooth, rattlefree motion, strong and durable. 5Can be used in car window, meter boxes, computer cabinets, tool boxes, cabinet doors, oil tanks, picture frames, piano stands, etc.
