Rectangular Grate Stock Code Size Weight Finish 18605 Front 24.5" Back 24.5" Bars 7 28 lbs Matte Black 18606 Front 28.5" Back 28.5" Bars 8 33 lbs Matte Black 18607 Front 36.5" Back 36.5" Bars 10 40 lbs Matte Black 18608 Front 42.5" Back 42.5" Bars 12 47 lbs Matte Black