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.