Adjust-a-fit diameter hand adjustment of 3 1/4" (83) allows flexibility for varying dish sizes> Adjusting height level is easy and convenient. Simply detach and attach springs as needed with no tools required> Choose the type of dispenser that best fits your needs- Open model for economic dispensing- Shielded to protect against contaminates and plate chipping- Heated with adjustable thermostatic control to heat dishes (thermostat min- 100 degree F, max- 175 degree F)> Stainless steel material is durable and easy to clean and sanitize> Regular height models have 25" (635) stacking height capacity> ADA-compliant height models have 22" (559) stacking height capacity