Kenmore Microwave Glass Turntable Tray / Plate 12 3/4" 1B71961F 1B71961E Glass Turntable plate / tray for Kenmore / Sears microwave ovens Measures Approximately 12 3/4 inches in diameter. The inner ring where the turntable wheels fit has an outside diameter of 11 inches. This microwave tray replaces Sears part #'s: 1B71961F & 507049