8 " Excalibur® coated, non-stick fry pan is constructed of 3.5 mm thick 3004 aluminum which is the strongest and longest lasting aluminum in the food service industry. Advanced design incorporates the best attributes of all leading commercial fry pans. Provides unsurpassed durability, an added feature is the attachable red silicone rubber sleeve for safe handling up to 400°F for one hour. (Excalibur® is property of the Whitford Corporation.).