Pitts & Spitts Modular Grating System AKA The MGS, these grates are laser cut from 3/16” 304 SS and can be easily removed to access the area under the grates. The grates fit inside of a 1” angle iron frame to keep Pitts & Spitts signature slide out grate functionality. The MGS set comes standard with the frame and Smoking Grates (2 for the 850, 3 for the 1250 & 2000).