ABS+Zinc Alloy Material. Gas spring dimensions, 260mm for extended position, 145mm for bending, hydraulic pressure 100Nm/10kg. It can support 8-10kg cabinet door. This gas piston is made of ABS plastic and zinc alloy. It has good wear resistance and high impact resistance. Strong air pressure. The pressure support of each spring can reach 100N (10kg), and the piston cylinder is compressible, stable and safe with inert nitrogen. A wide range of applications. Suitable for PVC, aluminum or wooden doors, swing doors, wardrobes, storage boxes, furniture doors and other cabinet doors. Supplied with mounting screws for easy replacement of old cabinet curtains. Good shock absorption effect. The door can be opened or closed with comfortable padding, which is very sturdy and does not hit the door, reducing shock, providing a good experience and high stability. Note! Be sure to place the air pipe part facing up and the middle part of the rod facing down; If you want to strengthen the opening and