Gas Spring SPD-GSNI-5250-60 or LGP6-185-60 Strut Prop Rod RV Camper Hatch Door Brand: LaVanture Black Nitride Shaft Gas Spring Strut Rod SPD GSNI-5250-60 or LGP6-185-60 ( 18.5" Long, 7-1/4" stroke and 60# force) Direct Replacement for SPD's & many other brands Used for hatches, covers, RVs, Campers Strut has standard 10mm ends This gas spring combines all the proven reliability you have come to expect from a gas spring along with the added feature of a nitride shaft. The gas spring incorporates a strong annealed steel rod with a Nitride coating for added corrosion resistance - especially when used with the all composite 10 mm ball end fitting. It is ideal choice where exceptional quality combined with an over all black appearance are important for your application.