The swivel caster wheel is made with carbon steel, robust bearing and universal transmission bearings, ensuring stability and longevity. Suitable for a wide range of applications, including machinery, equipment, and vehicles, and high reliability. Features - Color: Silver -Material:Carbon steel - Size: 7.00X5.00X3.50cm/2.75X1.97X1.38in - Strong construction: Crafted with carbon steel and ball bearings, ensuring lasting performance. - High-performance: the ball bearing design provides high-performance operation. - Quiet operation: Smooth and silent operation, minimizing noise disruptions in the surroundings. - Heavy-duty performance: The swivel casters have heavy-duty performance, suitable for a wide range of applications. - Multi-purpose solution: Perfect for use in small furniture and other settings, providing a convenient and versatile mobility option. Package list: 6 transfer bearings