Learn about everything Masterbuilt Get more out of your smoker with the 40 Smoker-Rack Accessory Kit from Masterbuilt. Two extra smoking racks increase the amount of food you can smoke at one time, while decreasing your time spent tending the smoker. Kit includes two chrome smoking racks. 19.7L x 12.2W. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Smoker Accessories.