HQRP 12.5-inch Glass Turntable Tray for Admiral Microwave Oven Cooking Plate + HQRP Coaster HQRP&reg; Replacement Microwave Plate plus HQRP&reg; Coaster; Overall diameter: 12.5 inches; Outside turntable track diameter where wheels fit: 10 1/4 inches; 1 Year warranty!