STOK introduces a Universal Replacement Grill Grate (with included STOK Cast-Iron Grill Grate Insert). The Universal Replacement Grill Grate fits most popular 22.5" kettle grills, including Weber and Masterbuilt. The Universal Replacement Grill Grate is porcelain-coated, cast-iron for optimum cooking and added durability. This replacement grate allows you to use the STOK insert system on your 22.5" kettle grill; it also fits the STOK TOWER Charcoal Grill and the STOK ISLAND Gas Grill. STOK, Ignite Your Imagination.