Krowne Metal 28-166S Heavy Duty Plate Casters are designed for durability and ease of movement. Each caster features a swivel design with a locking mechanism for secure positioning. The triangle plate measures 5-1/2" x 5-1/2" x 5" and supports a robust 5" diameter wheel, capable of handling a load capacity of 500 lbs per caster. These casters are grease resistant, ensuring longevity and reliability in various environments. They raise the height of your equipment by 6", making them ideal for enhancing mobility and accessibility. This set includes four casters for comprehensive support.