🚗【Force】200LB/890N per shock. 🚗【Size】Compressed Length( hole to hole):13.6 inch; Extended Length( hole to hole):22.7 inch. 🚗【Package Content】23 Inch Gas Strut x2, mounting brackets x4, screws x4.(Installation with a flat screwdriver, no special tools required.) 🚗【Applicable Scenarios】This strut compatible with Heavy Lid, Hrdraulic, Murphy RV Bed, Box, Cellar Door, Floor, Hatch and other custom project. 🚗【24 Months Services】AiYiGu branded strut shocks are covered by the AiYiGu two years services against defects in material and workmanship for two years from date purchased. If you have any questions or you are not satisfied with the product, welcome to consult us. AiYiGu 23 Inch 200LB/890N Gas Shock Strut Spring Lift Support for Heavy Lid Hrdraulic Murphy RV Bed Box Cellar Door Floor Hatch