There are three sizes of this mirrored pumpkin polymer clay cutter set available: 2 cm, 3 cm, and 4 cm. The dimensions are the width of the design. 

Drill guides included: The 3 and 4 cm pumpkin cutters feature built-in drill guides. After pressing the cutter into your clay slab, use the included pin tool to poke small pilot hole through the drill guides. These pin marks act as precise guides for drilling or poking holes, before or after baking, so you can assemble your dragons with ease and accuracy. Please note that the 2 cm size does not come with drill guides.