These ball casters rotate 360 degrees and are suitable for use in machinery, furniture, toys, and other applications. Featuring smooth movement, these ball bearing rollers offer durable performance. Compact and lightweight, they are easy to install and help save time and effort. Features - Color: Silver - Material: Carbon steel - Size: Approximately 3.30 x 1.20 x 1.20 cm / 1.30 x 0.47 x 0.47 in - Constructed from sturdy carbon steel for reliable, long-term use with quiet and stable operation - Provides 360-degree rotation for flexible movement and improved maneuverability - Offers strong load-bearing capacity; resistant to deformation and breakage - Suitable for workbenches and small equipment; threaded base allows secure installation - Compact design and light weight ensure ease of handling and use Packing list: 4 x wheels