16 roller roller suits - Rolling bearings provide reliable inventory to meet most industrial and commercial needs.This sufficient supply ensures that users will not face shortages, and provide continuous and uninterrupted use for various applications. 360-degree rotation, efficient operation - have 360-degree rotation capabilities, these 1/2-inch ball foot wheels are convenient to move in a smooth and correct direction. This can improve efficiency, especially when transferring goods in all directions, seamless rotation can reduce the workload and improve operational efficiency. Advanced materials are - these rolling pearl shafts are made of hard, wear- carbon steel, with bright surfaces, no burrs, rust-proof and no noise operation. The bolt bearing structure is strong, can withstand high stress and , significantly extend the life and reliability of the bearing. Wide-wide application - these conveyor rollers are not limited to industrial use; they are easy to install on light furniture, and can be widely used for conveying line installation, processing systems, wooden boxes, transmission furniture, workbench, household appliances and transmission systems.Its extensive application scope makes them a multi-function supplement to multiple environments. The universal size - the size of the roller of the foot wheel is about 1 inch, and the rolling ball transmission bearing has a general size, so it can be compatible with various applications.The standard size ensures that they can easily integrate into different settings, and from the foot of the feet in the mechanical to the low-cut of the furniture, provide a multi-functional solution for your exercise needs. Colour:Silver Material:Metal Package Contents: 1set * ball bearing rollers 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.