A PAIR(2) RV Trailer Camper Van Gas Shock Strut Spring Lift Prop Rod 24" extended length x 14.75 " compressed length x 67 LB Pressure Extended Length: 24" (center to center of ball socket ends) Compressed Length: 14.75" Force: 67 pounds of pressure (Per Prop) End Fitting: 10mm Ball Socket and 10mm Ball Socket Set of Two