3/4" Multi-Bar Grates This group is for masonry fireplaces, with extra teeth for less wood waste. (Made of 3/4" square bar, 16" deep, with center legs.) Part # Grate Size Teeth Weight ALMX 18x3/4" 18" 6-bar 26.00 lbs ALMX 24x3/4" 24" 8-bar 33.50 lbs ALMX 27x3/4" 27" 9-bar 37.50 lbs