This is an original Dacor microwave tray, part number 66344. This tray measures 16 diameter. The roller track measures approximately 9 34 outside dia and 8 1116 insidedia. This tray has been cleaned and inspected. No noticeable scratches or chips. Tray came from model number DMT2420S, but may fit other models. I am listing the matching roller tri-fork. part number 66184 (105444) and turntable motor, part number 66245, separately. If you need additional info, you may contact me prior to bidding. I have access to shipping only on Mondays and Fridays. Once you receive your item, if you will (please) either contact me to let me knowall is well, or leave positive feedback, then I will promptly leave you positive feedback.