The World's No.1 Selling Scrubber for Cast Iron Cookware, Dutch Ovens, Casseroles, Stainless Steel Cookware, Woks and more. Superior Quality. Lifetime Warranty.;Makes Cast Iron Cookware Cleanup Quick and Easy. Manufactured with 316 grade stainless steel - the highest food service grade stainless steel. Preferred by professional and home chefs.;Comes With the Knapp Made Lifetime Replacement Guarantee;The Patented CM Scrubber? - Recommended by Cooks Illustrated Magazine. Featured on Americas Test Kitchens.