Package Contents - 1 x cabin hook, 4 x screws for fixing. Cabin Hook Size: 4 in, Screw: M3.5*13mm. Premium Quality and Ease of Use - brace hook is made of strong stainless steel, tough and durable, rustproof, anti-corrosion , not easy to fade or crack, premium appearance. Widely Used - Hook latch can be used to lock a variety of doors or windows. In addition to conventional doors, can also be used for sliding doors, windows, closets, cabinets or other doors or windows that can be used. suitable for many places, like bedroom, office, yard, farmhouse, basement, etc. Multifunctional - cabin hook can be used to hold doors and windows closed or open so they don't swing or get blown away. At the same time, it can prevent toddlers and pets from sneaking out of the room. Providing extra security for you and your family. Easy To Install - Screw fixing type, with matching mounting screws for fixing to wood or other flat surfaces, do not require specialized skills and tools.