Boat owners, if your engine hatch or compartment lid isn't staying up like it used to, this Sierra gas spring is probably what you need. It's an exact OEM replacement designed specifically for demanding saltwater environments. Made with a 316L stainless steel rod and cylinder, it's built to resist corrosion. It has engineered polymer rod ends and bronze bushings for smooth operation, plus a multi-lobe internal seal to prevent leaks. The specs are: compressed length 9.5 inches, extended length 15 inches, and it's rated for 40 pounds of force. So it's perfect for lifting and holding medium-weight hatches or lids. Installation is straightforward – just swap out the old one. Keep your boat functional and safe with a reliable gas spring that's made to last in marine conditions.