This set of four vintage cast iron industrial swivel caster wheels is a must-have for collectors and enthusiasts of antique mercantile items. With a diameter of 4inches, these wheels are perfect for adding a touch of history and charm to any project or display. Crafted from durable cast iron, these wheels are built to last and feature a classic design that blends seamlessly with other mercantile, trades, and factory antiques. Whether you're looking to enhance your collection or give your space a unique look, these vintage caster wheels are an excellent choice.