Suspa C16-19568 15.67" Gas Prop/Strut 40 lbs - Set of Two Made in the USA Extended Length (Center-to-Center): 15.67 in (398mm) Compressed Length (Center-to-Center): 9.37 in (238mm) Force: 40 Lbs (178 N) (Per Prop) End Fittings: 10mm Nylon Ball Sockets