This Avantco 178A2PCKIT4 2 1/2" plate caster set can be used to add mobility to your equipment while maintaining an ADA height! This set contains 2 casters with brakes and 2 without brakes. It raises the height of the unit by 2 1/2". Compatible with select Avantco Refrigeration equipment, this durable swivel caster keeps your appliances conveniently mobile so that you can move them easily for cleaning. The mounting bolts are included.