The Microwave Baking Rack Is An Accessory That Allows You To Cook Multiple Items In The Appliance At The Same Time (One Item On The Baking Rack And Another Below On The Tray). The Rack Also Elevates Foods So They Can Be Cooked More Evenly From All Sides. This Accessory Can Be Used With Select Jennair Microwaves; Check To See If Your Model Is Compatible. Using This Accessory Will Require No Disassembly Or Repair Experience.