Create Shapes out of Artistic and German Style Wires with these stepped mandrels. Use the shapes in a variety of ways - make bails, cones, or pendants by wrapping then manipulating the wire. The triangle mandrel will make 10 different sizes of triangles from approximately 4mm to 27mm. The Round ( 6mm to 8mm), Square (5mm to 25mm), and Marquise (11mm to 29mm.) Shaped mandrels will each make 12 different sizes. That's 46 different sized shapes in one set! The included mandrel base makes it easy to hold the mandrels for precise wrapping.