The cooking tray can also be known as a turntable tray. This tray is made of clear glass, with an outer diameter measuring approximately 13 and 1/2 inches. The tray comes with 3 round glass feet that are 1/4 inch high, to keep it stable and level when turning. The function of the cooking tray is to ensure food is cooked evenly. The most c...Read moreommon reason for needing to replace this part is if your old model has been cracked or damaged. Small chips can expand or spider into larger cracks over time. This part should fit most Samsung microwaves, but check the model number of your unit to see if this tray fits.