The black adjustable knob clamp GH-4001, made of steel with galvanized iron components, offers strength and durability for long-term use. Easy installation: This knob latch is straightforward to fit. Simply screw the angle hinge clip onto your box or door, and it is ready to secure. Adjustable mounting spacing: The mounting distance of this latch can be easily adjusted. Tighten or loosen the screws to accommodate mounts that are slightly wider or closer together. Wide applications: Ideal for lock-less, handle-less boxes, cabinets, lockers, doors, vehicles, and more. This versatile clamp works where a simple, reliable latch is needed. Use scenarios: - Secure handle-less cabinet doors or tool boxes in workshops or kitchens. - Fasten locker or storage cabinet doors in offices, schools, or gyms. - Create quick-access latching points on vehicle compartments, trailers, or other transport equipment.