The Beverage Air 401-209A is a durable 5" plate caster designed specifically for STF 49 and STF 58 models. This standard caster provides reliable mobility and stability, making it easy to move your equipment as needed. Constructed for long-lasting performance, it ensures smooth operation on various surfaces, enhancing the overall functionality of your refrigeration units. Each caster is engineered for easy installation, allowing for quick upgrades or replacements.