2Pcs Gas Struts 20 Inch 60 lbs Prop Lift Springs Rod Heavy Duty Tool Box Lid Top RV Pair by Motion18

*Red Hound Auto Gas Charged Lift Supports Pair

*Open Length: 20 inches; compressed 12 inches

*Stroke Length: 8 inches

*Rod Diameter: 6 mm || Force: per 60 pound，set 120 pound

*Compatible with 10mm Ball Mounts; Note: verify strength needed for your application; DO NOT attempt to compress by hand, doing so can damage the struts