This handy Jump Ring Maker Mandrel is perfect for making jump rings on the go.
Two mandrels are included – the larger size will make jump rings in sizes 6.0mm, 7.3mm, 8.2mm, 9.0mm, and 10.0mm. The smaller tool makes sizes 1.5mm, 2.0mm, 3.0mm, 4.0mm, and 5.0mm. 5.5 inches (14 cm).