Products description:For Haier, Midea, Galanz microwave oven magnetron microwave emission head cap metallic cap magnetron antenna The standard dimensions are for reference: Model D: 17 diameter:15mm Manual measurement, please allow 1-2 mm errorProducts description:Only A and B are in stock. If you would like C and D products, please don't buy them. We can fully send a or B products. Thank you to your help and knowing Including:5pcs/lot (random type)