Features: 1. Suitable for equipment flip lid, snack car flip door, advertising bar, light box, flip window and hood lid. 2. Made of high quality material for rigidity and durability, specially treatment for corrosion-proof. 3. The center distance is 280mm and it can provide stable performance. 4. High reliability, a good replacement for the broken one. 5. Strong and not easy to break, long service life. Specification: Condition: Brand New Item Type: Gas Spring Center Distance: Approx. 280mm / 11in Stroke: Approx. 100mm / 3.9in Bore: 18mm / 0.7in Rod diameter: 8mm / 0.3in Pressure: 100N, 300N, 500N (optional) Joint: Flat Joint Package List: 1 x Gas Spring Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.