This Quick Change Caster Pad/Plate is the perfect addition to any 4" x 4-1/2" top plate setup. It allows for easy and efficient movement of your equipment, while ensuring a sturdy and safe base. Made by Hy-Weld, a trusted brand in the industry, this caster pad/plate is a reliable choice for any business or industrial application. With its sleek design and durable construction, this caster pad/plate is ideal for use in casters, wheels, and material handling applications. It is easy to install and use, and is compatible with a wide range of equipment. Whether you're looking to upgrade your current setup or start from scratch, this Quick Change Caster Pad/Plate is the perfect choice.