Description Designed to provide reliable support for wooden doors, this bottom support wheel ensures smooth and stable movement. Its sturdy construction and sleek design make it a practical addition to furniture hardware. Ideal for preventing door sagging, it enhances functionality while maintaining a clean and professional appearance. Features -Color:Silver -Material:Nylon, galvanized -Size:11.50X4.50X2.50cm/4.52X1.77X0.98in -Installation height: 45mm for bottom installation -Installation height: 28~68mm for vertical installation -Installation hole distance: 32mm -Installation hole diameter: 6mm -High load bearing design: effectively supports the weight of wooden doors, preventing sagging and extending the door's lifespan for long term durability -Smooth sliding performance: directional wheels ensure stable and quiet door movement, ideal for bedrooms, kitchens, and other spaces requiring a peaceful environment -Simple installation options: offers simple installation methods, adapting to various door frame structures for quick setup -longlasting and wear resistant: made from sturdy materials that resist wear and tear, ensuring smooth wheel operation and reducing maintenance needs over time -Versatile application: suitable for island counters, movable furniture, and other scenarios, enhancing home flexibility and enabling easy layout adjustmentsPackage list: 4 x Caster Wheels