Creative Hobbies Plastic Mold Trimmer Knife Tool for Clay, Pottery, Crafts #TL55 - Pack of 4 Creative Hobbies Plastic Mold Trimmer Knife Tool for Clay, Pottery, Crafts #TL55 - Pack of 4 Trims excess ceramic from plaster molds quickly, easily and with no damage to the mold. Sharp, flexible 4 inch blade reaches into the deepest pour holes. Great for ceramics, pottery, clay, sculpture and many more craft, home and hobby uses. Made in USA