Adjusting height level is easy and convenient - simply detach and attach springs as needed with no tools required Handy platform base stores empty trays or racks for added storage All 4" swivel casters, 2 with brake, allow easy maneuverability. Stainless steel construction ensures long life and durability Stainless steel material is easy to clean and sanitize, stain and corrosion-resistant Perimeter bumper protects walls and furnishings