The PME Diamond Cutter Set MD153 includes 4 plunger cutters. They will help you to create diamonds out of Fondant, Gumpaste or other edible dough. The cutters are approximately 1/4", 3/8", 9/16" & 1", and instructions for use are on the back of the package. These are a great addition for any Cake Decorator to be able to quickly create a unique design on their Cake or Cupcake. The cutters are made from a long wearing, food safe & easy to clean plastic and are made in England by PME Sugar Craft.