The Olympic J5FBA-4 is a set of four stem/swivel-brake casters designed for durability and ease of use. Each caster features a 5-inch diameter and a 1-1/4-inch face, ensuring stability and smooth mobility. The non-marking, high modulus rubber tread protects floors while providing excellent grip. With a robust capacity of 300 pounds per caster, this set is ideal for heavy-duty applications. NSF certified, these casters meet stringent health and safety standards, making them suitable for various environments.