Popular replacement gas springs for the aftermarket. Attwood's line of stainless steel gas springs offer even more durability. The pressure tube and rod are super-tough #316 stainless steel alloy. All other exposed components are stainless steel or marine-grade composite. Can be for saltwater use and any other application where good looks and quality really matter. They're the best springs you can buy for livewells, line lockers, deck hatches, and other moisture-prone areas.