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. Item Type: Hatch Spring Adjuster Material: Stainless steel 304 Spring Hinge Coil Length: 10 inches Spring Diameter: 9/16 inches Installation: Requires 4 x M4 screws (not included) Description: Suitable for cabin doors Triangle fixture end Stainless steel Essential items for boats and yachts A great helper for maritime work Not recommended for applications where the hatch is windy and the springs are excessively stretched while the ship is sailing 1 x Hatch Spring Adjuster