Introducing our 8 in. caster wheels set of 4, designed for heavy - duty use. Each wheel has an 8 in. diameter, with a 6 mm steel bracket and premium double ball bearings, offering a 2200- lb capacity and smooth 360° rotation. The solid rubber tires with knobby tread on red - rimmed steel hubs roll smoothly and are flat - proof. The package includes 2 swivel casters, 2 fixed casters, along with all necessary installation hardware such as bolts, nuts, flat washers, and lock washers. Installation is straightforward with sturdy mounting plates. These casters are suitable for a variety of applications, including industrial settings, shop equipment, and DIY projects like workbenches, tool carts, and chicken coops. Their large tire contact area allows them to roll over obstacles easily, and the vibration - proof nuts reduce noise. Upgrade your furniture, cart, or other equipment with these high - quality casters for a more convenient and efficient experience. Color: Blacks.