The Krowne 30-107S Krowne Economy Series 4" x 4" Plate Caster Swivel With Brake 5" Diameter is a durable and versatile component designed for various applications in the commercial and industrial sectors. Each caster in this set of four has a load capacity of 200 lbs., providing robust support for heavy equipment and furniture. Featuring a 4" x 4" plate, these casters are equipped with a swivel mechanism that allows for smooth, multidirectional movement, enhancing mobility and ease of use in confined spaces. The addition of a brake ensures stability and safety, preventing unwanted rolling and securing positions as needed. With a 5" diameter, these casters are optimal for navigating a range of surfaces, from smooth floors in retail and office environments to more uneven surfaces in warehouses and manufacturing facilities. The Krowne Economy Series casters are designed to deliver both performance and value, making them a smart choice for businesses seeking reliable, cost-effective mobility solutions. The design and construction of these casters reflect Krowne's commitment to quality and functionality, providing a dependable option for businesses in need of mobile support for their operations.