Replacement Support Ring made for Spares2go to fit Universal Microwave Ovens Fits Models: Fits all models of microwave using a 3-wheeled plate support ring. This support comes with the three wheels pre-attached to the frame. Measurements: Inner Diameter: 180mm, Wheel Diameter: 14mm Premium quality, fully compatible replacement / spare part. Note: not suitable for combination (with grill) microwaves