HQRP 11-1/4 inch Glass Turntable Tray for Emerson 203500 MW8958 MW8987W MW8987B MW8987 MW9107B Microwave Oven Cooking Plate + HQRP Coaster HQRP&reg; Replacement Microwave Plate plus HQRP&reg; Coaster; Overall diameter: 11 1/4 inches; Outside turntable track diameter where wheels fit: 8 3/4 inches; 1 Year warranty!