For the best fit, the GrateGap helps you to connect multiple GrillGrate next to each other and creating a wide grill surface. The 20" x 2.33" (51cm x 5.8cm) GrateGap for GrillGrate. Perfect for filling up a bit more of your grill when standard size GrillGrates leave a bit of a gap. 2.33" wide and interlocking just like our traditional panels.