The STOK Drum allows you to do more with charcoal using the Interchangeable STOK Insert System. The Drum is the first of its kind in the industry with unique innovations that will change the way you grill, allowing you to change the grill grate to any STOK Insert such as a pizza stone, smoker, veggie tray and much more. Also included is a ceramic pizza stone as well as an insert removal tool. Not just a new grill, but a new way to grill. STOK - Ignite your imagination.