The most popular replacement gas springs for the aftermarket! Attwood has taken the guesswork out of deciding which SpringLift Gas Springs and Mounting Brackets to offer Marine and RV customers. Packaged in see-through hanging packages. Attwood is partnered with Stabilus, the world's leading supplier of gas springs and related products with over 100,000,000 units in the field. All Attwood springs are made with bio-degradable no hazard to water grade oil (WGK), making them the marine industry's most environmentally friendly gas springs. All springs pass ASTM B117, Attwood Salt Spray and a 30,000 cycle lifecycle test. Attwood springs come with support to ensure the proper spring for your specific application, including: marine, industrial, agricultural, pharmaceutical, food processing, and medical. They are used to lift, hold and open doors, hatches, covers, lids, with smooth operation. Use them on your powerboat, sailboat, and in your RV.