An exclusive CRC Product: Rectangular Portable Fold-up Cuboid Drums for Coffee Roasting in BBQ grills and spit roasting. Great for at home roasters, campers, vacationers, hikers, and others who enjoy roasting everywhere and anywhere. High volume capacity, low cost. You get alot of bang for your buck with these drums. Constructed of 16 gauge perforated stainless steel. Even the end caps are perforated to allow 100% flow through of heat. Right angled sides (4 of course) each act like a mixing vane so no fins required inside drum. All welded construction; built to last a lifetime. A new advance in coffee roasting simplicity and cost savings design exclusively by CoffeeRoastersClub.com. 1 lb, 4 lb, 8 lb, and 16 lb capacity versions available.