The Deluxe Coiling Gizmo from Artistic Wire® consists of five mandrel/winders in the diameters 1, 1.6, 3, 4, and 4.75 mm which are installed into a U-shaped bracket that clamps to your workbench top (up to 2.5" thick). Use it to create coils in one of these diameters or to create cylinder beads (see instructions). Made in India.