The CY-15A Universal Swivel Ball Metal Casters are for effortless mobility in multiple scenarios, including furniture, storage units, and toolboxes. Their ball-shaped design allows for full 360-degree rotation, providing unmatched flexibility. Constructed from metal, these casters are built to last, offering reliable performance even under heavy weight. Features -Color:Silver -Material:Carbon steel -Size:5.00X3.50X2.00cm/1.97X1.38X0.79in -Ideal for a variety of applications, these casters are for adding mobility to furniture, shelving units, and tool chests, making them easier to move around. -Featuring a unique ball-shaped design, these casters allow for 360-degree rotation, providing exceptional maneuverability and ease of movement in any direction. -Constructed from metal, these casters are built to last and can support a substantial amount of weight, ensuring long-term reliability. -Installation is a breeze; simply attach the casters to the bottom of your furniture, and you'll instantly enjoy the convenience of easy movement. -Engineered for quiet operation, these casters are designed to roll smoothly and silently, maintaining a peaceful environment. Package list: 8 x casters