Instruct: Classify a review as either positive or negative.
Query: Great for a disposable!

Used this piece of junk one time on a new Weber gas grill. Seemed like a heavy well built item. Heated it up to 600 degrees for searing, then turned down the temp to finish cooking. The Red painted areas on the face turned black and the metal all discolored. Did not make direct contact with the flames. Very disappointed.