Features: Experience with our Pack of 12 Castors designs for smooth and easy movement of furniture and appliances, featuring Swivels mechanism. Craft from PP and carbon steel, these small flat rollers Wheel boast high load bearing capacity and wear resistance, ensuring long time performances without compromising the aesthetic appeal of your furniture. For homemakers seek to organize their living space, renters needing to easily relocated furniture, and enthusiasts look to enhances furniture functionality. For use under bedside cabinets for easy cleaning and repositioning, at the base of storage box for flexible placement, or beneath office desks to change room layouts. These Swivels castors integrate into various furniture types, providing a practical solution for enhancing mobilities and convenience in any home or office setting. Specifications: Component: PP, Carbon Steel Type: As Picture Show, Five Type to Choose Size: 3.5x3.5x1.3cm/1.38x1.38x0.51inch Note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Package includes: 12pcs Swivels Wheel