Feature(may vary by option.)
●Typical Applications: Caster wheels heavy duty are widely used in benches, trolleys, furniture, Carts, Dolly, Workbench, Trolley, suitable for indoor and outdoor, it is a mobile expert.[Red 8.5 Inch]
![](https://m.media-amazon.com/images/I/31Jj68PxrrL._AC_.jpg)
[Green 7 inch]
Description If you have any concerns about installation, please ask a professional.