HQRP 11-1/4 inch Glass Turntable Tray for GE JEM31BF001 JEM31BF01 JEM31BF02 JEM31CF001 JEM31CF01 JEM31CF02 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!