Krowne Metal 28-107S Plate Casters are designed for durability and ease of movement. Each caster features a 5" diameter swivel design with a reliable brake for secure positioning. With a load capacity of 220 lbs per caster, they are ideal for heavy equipment. The 4" x 4" mounting plate ensures stable installation, while the grease-resistant material enhances longevity. These casters raise the height of your equipment by 6", making them a practical choice for various applications. This set includes four casters for comprehensive mobility solutions.