Heavy duty carbon steel mandrels.  Beaders and wire artists alike will love this tool for its ability to create consistently sized loops, circles and coils in wire. Made of carbon steel with a PVC grip, the smooth surface will not mar wire. 2-piece set, each tool offers 5 different diameters, (10 in total).
Small mandrel measurements: 1.5, 2, 3, 4, & 5mm     Large mandrel measurements: 6, 7, 8, 9, & 10mm