24 inch Gas Strut Extended length: 24.40 Inch, Compressed length: 13.70 Inch. 40 Lb / 178 N per strut, 2 PACK. PACKAGE INFORMATION: 24 inch 40 lbs Gas Strut Spring Shock 2 pack; Note Suitable for 32-44 lbs weight application. If the weight not within this period, please select other more suitable pressure. NOTE: The gas struts can not be compressed by hands before installation!!! Applicable Scenario Used for RV Side Bay Door, Truck Undercover Tonneau Cover, Pick-up Bed Cover, Trailer Door, Boat Engine Cover, Cellar Door, Outdoor TV Cover, Engine Hatch, Basement Door, Tool Box Lid, Outside Kitchen Door, Camper Shell Topper, Canopy Back Glass Window, DIY project, etc. Replacement Interchange Part number: SE244P40S10, SE24OTHER40. Don't Worry 180,000 times -passed TUV fatigue test. Pamagoo choose special low-temperature-resistant materials, WORKING TEMPERATURE: -40℃~60 ℃/-40℉~140℉. PAMAGOO will provide you with professional customer service BOTH before and after your purchase and offer 18-MONTHS support service.