WIREOPTIM - Coil Wire Winding Kit V2 The WIREOPTIM Coil Wire Winding Kit V2 makes it a breeze to wrap jewelry wire & other wire into perfect coiled sections. Included is a tough zipper case to keep all parts organized and protected.  Slimmer Case than V1 Better thicker threads for screw cap Multi-functional screws for single wire or multi-core wire Better tighter elastic and stitching to hold tools in place Rods: 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm Wand-style rod tool with threaded cap Mini screwdriver for screw placement Zipper case