The Focus FTSU21 21-inch caster channel is a game-changer for commercial kitchens and restaurants looking to optimize storage efficiency. Designed specifically for the HDS-Plus high-density storage system, this caster channel eliminates excess aisles, maximizing usable space while ensuring smooth, effortless movement of shelving units. Whether you're restocking ingredients, cleaning, or reorganizing, the track operation of the FTSU21 allows you to slide units effortlessly, saving time and improving workflow. Made from durable 304-series stainless steel, this channel is built to withstand the demands of a busy commercial environment, offering rust resistance and longevity. If you're upgrading your storage system or need to replace worn-out caster channels, the Focus FTSU21 is the ideal choice for maintaining a clean, organized, and highly functional workspace.