Heavy pressure load: 285mm for extended position 190mm for bending 100N / 10kg. solid thickening, durable.Before being 100N, they are stronger than 80N, even so, it does not need great force to move up or down. Easy to install: To. Determine the center position of the rectangular mounting hardware, 70mm from the back of the cap as the distance from the side of the cap, drill 2 holes on the sides of center point A; b.Determine the center position of the round mounting hardware, 240mm from the back of the cabinet and 10mm from the top of the cabinet, mark B; vs. Position the connectors and connect the joints and the frame. Stable and safe: Comes with fixing parts and screws for both ends, replaces the existing ones without the need to modify the support parts of end.The metal mounting plate of this gas strut has a large contact area with the housing and is positioned at three points. Specification: Open they are approximately 27cm, they bring the bases for mounting. installation with