Metal Blade For Cling film Aluminum Foil can be mounted onto the edge of carton cardboard. It can be used to cut cling film, aluminum foil, baking paper, etc. 12", 15", 18" and 24" available. Metal Blade Model: YMBR303/YMBF303/YMBB303 Product Category:Metal Serrated Blade Material: Tin plate Size: 303mm, 450mm(and customized)