Sturdy heavy-duty, chromed steel in a tight 1/2 in wire grid provides optimum support and prevents baked goods from slipping through the rack. Tall 1 in legs ensure better air circulation and faster cooling time. High heat-resistant up to 600 deg F. Legs will rest in side 19 x 13 in baking sheet to use as a baking rack in side the oven. Use as a trivet for hot baking sheets and casseroles and protect your counter tops and tables.