Suspa C16-21824 17" Gas Prop, Quantity (2), Force 40 Lbs Per Prop, Force Per Set 80 Lbs, Camper Rear Window, Tonneau Cover Lift Supports, Window Lift Support, Struts Extended Length (Center-to-Center): 17.13 in (435mm) Compressed Length (Center-to-Center): 10.8 in (275mm) Force: 40 Lbs (178 N) (Per Prop) End Fittings: 10mm Nylon Ball Sockets Set of Two