/ ' -- Includes 1 x WB49X10063 microwave glass turntable tray plate, there are 3 grooves at the bottom. It mainly to collect oil/water droplets/food leaks during cooking, preventing grease from dripping directly onto the microwave oven. The total diameter is about 14 1/8 inches, and the outside diameter of the turntable track is 10.2 inches. It can fixes the following symptoms: broken uneven heating there's no heat -- WB49X10063 14 1/8 Microwave glass turntable tray plate is made of thick and food-safe glass that will not bend, stain, retain odor, or leach dangerous chemicals into food even during their hottest hours. Turntable tray WB49X10063 rotates in the center of the microwave to help ensure the food cooks evenly. Microwave glass plate replacement back has scrambled pattern, better skid resistance, arc design can prevent accidental cuts.