Convert your 28" Griddle Cooking Station to a 28" Grill with the Blackstone Grill Box accessory. The Blackstone 28" Grill Box sits in the place of your griddle for the grill style cooking you crave. The Blackstone 28'' Grill Top is custom-designed to fit on the Blackstone 28'' Griddle/Grill Base; offers 478 sq inch cooking surface; wire grill with non-stick coating; includes wind screen and drip tray.