Artistic Wire, Coiling Gizmo, Econo Winder Crank wire around the rod as shown and you've made a coil spring Tool includes two cranking rods {.063inch (1.6mm) and .135-inch (3.4mm) diameter}, a bracket frame with screw and instructions The Coiling Gizmo is suitable for use with all gauges of Artistic Wire to make beaded jewelry and other designs Quick and easy Use to achieve professional results