This Avantco 178A2PCKIT5 2 3/4" 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 3 without brakes. Compatible with Avantco HBB-36, HBB-50, GF-36, and GF-50 series units, this durable swivel caster keeps your appliances conveniently mobile so that you can move them easily for cleaning. The mounting bolts are included.