Qty (2) 15in 50lb/223N Universal Gas Strut Spring with Mounting GSNI-5150-50
【 With Mounting Bracket for More Installation Purposes】????. If you're working on a DIY project like a food truck window, a wooden box lid, or a shed window, you'll need a pair of gas shock lift lids with the appropriate strength and a pair of 10MM BALL STUD MOUNTING BRACKETS.