Description: CAUTION! Saw blades included with this item are extremely sharp handle with great care to avoid injury.With 20 jump ring mandrels sizes 2.5mm to 12.0mm in .5mm increments you can create the exact jump ring sizes you need whenever you need them for your jewelry design. Mandrel sizes 4.5mm and above have starter holes in their shanks making it easy to catch the end of your wire in order to start the coiling process. Specification: Condition: 100% Brand New Material: Stainless Steel Color: As Pictures Shown Package Size: Approx. 26 * 17 * 11cm/10.2 * 6.7 * 4.3in Spindle Size: 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7mm, 7.5mm, 8mm, 8.5mm, 9mm, 9.5mm, 10mm, 10.5mm, 11mm, 11.5mm, 12mm Package List: 1 * High-pole Roller 20 * Spindles 1 * Base 6 * Screws 1 * Iron Sheet 1 * English Manual