Pepetools 307.70A Jump Ring Maker Kit 20 Mandrels (2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9, 9.5, 10, 10.5, 11, 11.5, 12)mm Stainless steel blade arbor. Includes FREE PepeLube and a FREE #307.20 1.25" HSS Cutting Blade HDPE machined durable organizing base for a long life of use. Coil winder manufactured from durable alumnium that is machined on high end CNC equipment.