Lightweight open tubular frame design for back-of-the-house applications Adjusting height level is easy and convenient. Simply detach and attach springs as needed with no tools required Each dispenser is heated with adjustable thermostatic control - min- 100 degree F, max- 175 degree F Heated models feature individual thermostatic controls for heat regulation flexibility All 4" swivel casters, 2 with brake, allow easy maneuverability. Extra load casters provide additional support for full dispensers Stainless steel material is easy to clean and sanitize