The John Boos CAS-RN is a set of four durable 3-inch black casters designed for versatility and stability. This set includes two locking casters to secure your equipment in place and two non-locking casters for easy mobility. Crafted for strength and reliability, these casters are ideal for kitchen islands, carts, and other heavy-duty applications, allowing for smooth movement and secure positioning. Upgrade your workspace with these functional and stylish casters.