●Package Contents: Gas springs x 4, screws x 20 pcs. [Force: 100N/10kg] Materials: Base aluminum alloy, rod aluminum alloy ●Material: Base aluminum alloy, rod aluminum alloy ●Pressure Resistance: Up to 100 N / 22.0 lbs (100 N/10 kg), Maximum opening and closing angle up to 100 degrees ●✅ Made of high quality aluminum alloy, it is durable, strong support and durable, and will not break easily. They can be replaced without removing them from furniture and will not damage your furniture ●Applications: For cabinet doors, hanging doors, cupboards, furniture raising, cabinet doors, furniture doors, mechanical doors, meter boxes, decorative images, fire boxes, garbage cans, top and bottom doors, tatami mats, etc