Feature 1Durable Construction: Made of mirrorpolished marine grade 304 stainless steel for maximum rust resistance and durability. 2Telescoping Adjuster: Adjuster glides easily to any length between 299mm to 534mm and can be easily secured a position with locking on each position by rotation the black conical point knob. 3Strong Practicability: This window adjusters allow windows to remain open to ventilate areas as needed. Used for yacht and marine hardware. 4Wide Application: Ideal for the lighter door, cabinet doors, window, lighter hatches, table leaves, fore hatch and a wide variety of uses. 5Easy Installation: Easy to install, no complicated tools required, convenient to use, save time and effort, and can be used for a long time.Item Type: Hatch AdjusterMaterial: 304 Stainless steelLength: Approx. 299-534mm/11.77-21.02inApplication: RV, yacht, ship .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 xHatchAdjuster