The Winco DWR-CTB caster features a durable 3-3/4" diameter design, equipped with a reliable brake for enhanced stability and control. Specifically designed for use with DWR-Series dollies, this caster ensures smooth mobility and secure positioning. Sold in quantities of four, it provides an efficient solution for your dolly needs, making transportation and maneuvering effortless. Ideal for commercial and industrial applications, the Winco DWR-CTB combines functionality with robust construction for long-lasting performance.