Features 1.Made of high‑quality stainless steel, fine workmanship, sturdy, durable and corrosion‑resistant. 2.It can support a lid up to 20lb, which is an essential accessory for marine yachts and ships. 3.It is suitable for all the triangular fixed ends of all kinds of cabinet doors indoors and outdoors. 4.The hatch spring has an internal wire to prevent the spring from overstretching during normal use. 5.Equipped with hatch opening springs, including fork U-shaped bolts and L-shaped plates. Specification Item Type: Hatch Spring Adjuster Material: Stainless Steel Description: Fit for hatch door Triangular fixture end Good quality stainless steel Essential for boat and yacht Good assistant for marine work Note: Not recommended for applications where hatch will scoop wind while boat is underway and overextend spring Package List 1 x Hatch Spring Adjuster