Feature 1、Easy To Use: Spring hatch holder made of 304 stainless steel, supports lids up to 20lb, move to support position when opened and bend to release support and close. 2、Premium Material: Made of rustproof stainless steel, sturdy and strong, not easy to deform and crack, prevents overstretching of spring during normal use. 3、Versatile Application: Suitable for bait well, fore hatch, door, and hatch, ideal for both indoor and outdoor use including yachts and boats, meets your usage needs perfectly. 4、Heavy Duty Design: Constructed with high strength stainless steel, stable and reliable, essential for maritime work, not recommended for windy conditions while sailing. 5、Easy Installation: Installation of the spring hatch holder is a breeze. It's designed to be user friendly and does not require any professional tools for mounting. Item Type: Spring Hatch Holder Material: Stainless Steel Spring Hinge Coil Length: 8‑2/5 Inch Spring Diameter: 7/16in Installation: Requires 4 M4 screws (not included) Description: Suitable for cabin doors. Triangular bracket end. High grade stainless steel. Essential for boats and yachts. An excellent helper for maritime work Application: Not recommended for applications where the hatch is windy and the spring is overextended while the boat is underway. Package List 1 x Spring Hatch Holder