Force: 100N/22.5lb (per column); Length: (hole center to hole center): 275mm (10.8 inches), the maximum support angle for opening the cover is 100 degrees. Circular metal mounting plate: The contact area of the cabinet is larger, the three-point positioning can be adjusted to the appropriate direction, and the switch is more flexible. Suitable for all kinds of cabinets, shoe cabinets, doors and windows. The package contains spring struts, installation accessories and screws, only one pilot hole is drilled up and down. Easy to install, strong and durable. High-quality sealing ring, good sealing effect, tight oil lock, not easy to leak oil, durable Suitable for all type of PVC, aluminum or wooden door; and all types of overhead Cabinet, Doors, Box, so that the door can be opened with a comfortable damping slowly open, Manufacturer: CGJseFH