Gizmo Wire Coiling Set Description: It couldn?é?Æt be simpler! Crank wire around the rod as shown and you?é?Æve made a coil spring. Pull the spring off and insert a core wire. Now coil this spring around the larger rod in your kit to form a cylinder bead. Then try shaping it into a bi-cone or sphere. Econo includes two different size crank-rods and a U-bracket; includes instructions.