Molded, leak and chemical proof PTFE encases a powerful 9.5mm (3/8") diameter x 51mm (2") long Alnico magnet. A flexible PTFE rod is sealed into the magnet case and has a handy plated metal hanging loop on the other end. Two sizes are available for retrieving magnetic stirring bars from containers or from non-magnetic sink drains and traps. Available in four colors. Flexible white rod is 33cm (13") long. Individually packed, 10 per color, per size per case.