Feature:Easy to install with simple hand tools in just few minutes.Your gas springs are powerful, prop open medium to heavy object such as a car lid or barrier for hands free convenience, with easy fittings to any surface just attach, lift and your gas spring lifts and holds open any medium to heavy object.This gas spring is universal, which fits for RV, car, boat, bus and other vehicles.Specification:Color: BlackMaterial: MetalExtended Length: 35cm/ 14"Compressed Length: 21.5cm/ 8.46"Total Length: 37cm/ 14.57" Rod Length: 13.5cm / 5.32" Housing Diameter: 18mm / 0.71" Connecting Rod Diameter: 8mm/ 0.31" Hole Size: 10x6mm/0.39"x0.24" (L*W)Note:Pressure 35 Lb/156 N per gas strut! Please allow 1-10mm differs due to manual measurement, thanks.Package Included:2 x Gas Spring.