Adjusting dispensing 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 All 4" swivel casters, 2 with brake, allow easy maneuverability. Durable stainless steel all-welded construction is easy to clean and sanitize Corner bumpers protect walls and furniture Dispensers have 25" stacking height capacity