360 Smooth Rotation for Free Movement: Experience effortless maneuverability with our caster wheels featuring for smooth swiveling. The design includes dust and debris protection, enhancing durability and ensuring seamless movement in any direction. Ergonomic and Stress-Reducing: By raising the toolbox an additional inch, our caster wheels the need to tilt, facilitating easier movement and reducing strain on your wrists and arms. Ideal for transporting heavy toolboxes without physical discomfort. Heavy-Duty, Quiet Operation: Constructed with 7mm thick steel, these robust caster wheels support up to 200 lbs. The soft rubber tread ensures quiet, smooth rolling across both smooth and rough surfaces, making them perfect for varied work environments. Convenient Foldable Design: Our caster wheels feature a foldable mechanism that allows for quick conversion back to the two-wheel setup. This versatile design adapts to different transportation needs, providing practicality and ease of use. Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Black Material:Metal Package Contents: 1 * Packout Caster Wheel 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.