Style: Cylinder Load Type: Gas Material: Steel Usage: Medical, furniture, etc. Warranty: 80000 times Length: 250-3000mm Force: 100-1000N Stoke: 40-350mm Cylinder: 22, 27mm Color: Black or according to your request Packing: Polybag Service: OEM Certificate: ISO9001 ROHS SGS Product Name: Customized Force Furniture Controllable Adjustable lockable Gas Spring