This Is A Microwave Rack! Purchase With Confidence! This Is An Original Part! Don't See Your Model Listed? Send A Message - Happy To Help! Microwave Models Have Varying Rack Diameters! This Microwave Low Rack is 10 3/4 inches in diameter and stands 2 inches tall. This low rack originally shipped in the following Sharp Microwaves: R1880LS, R-1880LS, R1880LST, R-1880LST If your Microwave is NOT listed above, please send us a message so we may help you obtain the correct part!