Waxman offers a complete line of casters and wheels for a variety of consumer and industrial needs. These items are high quality and built with durability and versatility in mind. For use on: Bed Frames, Desks, Dressers, TV Stands, Chairs, Carts, Tables, Stools, Toolboxes, Planters, and more. The top mounting plate for this caster is 2.69” by 1.50”. The bolt pattern, which is the distance between each installed bolt, is 2.13” by 1.00”. The diameter of each bolt hole is 0.279”. When this caster is installed, it adds an additional 2.45” of overall height to the item you are attaching it to.