Focus Foodservice Commercial Bakeware Bottom for 10-Inch Aluminum Spring Form Pan Heavy duty commercial bakeware; bottom for 10 inch spring form pan #900410 Constructed with a tough corrosion resistant 3003 h14 aluminum alloy; superior strength, even heat distribution 10-inch diameter removable bottom; .8 mm thick Made to fit Focus Foodservice 10-inch spring form pan # 900410 Hand wash with hot water, mild soap and dry immediately