SIZE: The Diameter Of This Plate Is 14-1/4 Inches! MODELS: This Glass Plate Is Compatible With Model Numbers ME21H9900AS/AC, ME21K6000AS, ME21K6000AS/AA, ME21K7010DG INSTALLATION INSTRUCTIONS: Installation Instructions Are Within The User Manual That Accompanied Your Microwave! WHAT YOU GET: This Offering Is For ONE Glass Microwave Plate! Don't See Your Model Number Listed? Send A Message! Happy To Help! Installation instructions are not included with this part as they are within the original user manual that accompanied your microwave! This offering is for ONE glass turntable plate that is compatible with the following Microwave Model Numbers: ME21H9900AS/AC, ME21K6000AS, ME21K6000AS/AA, ME21K7010DG The diameter of this plate is 14-1/4 Inches. There are many variations of this plate - if your model number is NOT listed in this offering, please send a message for assistance in identifying the correct plate!