Adjusting height level is easy and convenient. Simply detach and attach springs as needed with no tools required > Easy glide design is non-stick for smooth operation > 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 maintain food safe temperatures (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 > Model 968 has Adjust-A-Fit diameter hand adjustment for flexibility in varying platter sizes > Overall size is 15 1/3" W x 17 1/2" L x 28 1/4" H (389 W x 445 L x 718" H)