Usage Tips:1. Heavy Duty Construction: The Workbench Caster kit is built with all steel construction, ensuring long-lasting durability and strength to support your heavy workbench effectively. 2. Retractable Design: Featuring a retractable caster design, these wheels allow you to easily move your workbench when needed and secure it in place when not in use, providing both flexibility and stability. 3. Smooth Mobility: With 2.5-inch wheels designed for easy maneuverability, the Workbench Wheels enhance your workspace efficiency by allowing you to reposition your workbench effortlessly. 4. Versatile Applications: Ideal for settings, the Workbench Caster kit is perfect for workshops, garages, or home projects, making it an essential accessory for anyone needing a mobile workbench solution. 5. Easy Installation: The Workbench Caster kit comes with all necessary hardware for quick and hassle-free installation, transforming your stationary workbench into a functional mobile workstation in no time. Colour:black Material:Metal Package Contents: 4 x Workbench Caster kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.