Product Description : 1) Material: based on customers' requirements 2) Color: silver/black and other options 3) Connector: ball joint/metal eye/clevis and so on 4) Gas: Nitrogen filled inside 5) Quality: We can provide fatigue test report. Our products can open and close 100,000 times, Not leak oil; Our paint is passed ROHS test Product Feature : 1) Small in size, and can have a large load 2) Flexible, easy to operate 3) Smooth and easy operation 4) Safe and easy installation 5) Reasonable price, excellent quality, delivery soon, good service