The Brushtech Two-Pronged Safety Double-Helix Bristle-Free Flat Grill BBQ Brush has two springs twisted-in-wire galvanized steel springs, making it two continuous bristles that will maintain its shape and integrity! Then they are pressed to clean flat grill surfaces. With this flat pressed brush, there is greater surface area contact with the grill surface to clean grease and burnt food perfectly well and lasts longer than traditional brushes.