Feature:1. Rustproof: Made of high strength 304 stainless steel, the hatch spring holder provides rustproof and high strength properties, ensuring durability even under tough conditions.2. Functional Support: This hatch support spring holder is capable of supporting lids up to 25lbs, effectively preventing overstretching of the spring during normal use, which ensures longevity and reliability.3. Wide Application: Built to be heavy duty, this spring holder is ideally suited for use on bait wells, fore hatches, standard hatches, and doors. It offers versatility for a wide range of purposes.4. User Friendly: The hatch lid support spring holder moves to a supportive position when opened, reliably holding up the lid, hatch, or cover. To release the support and close, simply bend the spring.5. Weatherproof: Suitable for both indoor and outdoor environments, this hatch spring holder is particularly ideal for harsh environments such as yachts and boats, offering functionality without compromising on quality.Specification:Item Type: Hatch Spring AdjusterMaterial: Stainless steel 304Spring Hinge Coil Length: 10 inchesSpring Diameter: 9/16 inchesInstallation: Requires 4 x M4 screws (not included)Description:Suitable for cabin doorsTriangle fixture endStainless steelEssential items for boats and yachtsA great helper for maritime workNot recommended for applications where the hatch is windy and the springs are excessively stretched while the ship is sailing.Package List:1 x Hatch Spring Adjuster