Feature1Professional twisted drill bit special designed for watch repairing and maintenance demands, wonderful accessory.2Storage box design makes it convenient for storage, items are not easy to lose and keep accessory well organized.3Small and convenient, easy to carry and convenient transportation, exquisite workmanship, no scratching for watch.4Alloy material is durable and not easy to deform, can effectively resist oxidation and rust, long service life.5One of the professional watch repairing tools, suitable for repairmen and amateurs to save expensive repair costs.Item Type: Twisted Drill BitMaterial: Alloy Applicable: for Professional watch maintenance personnelApplication Scenario: Watch maintenance Package List1 x Twisted Drill Bit 0.8mm / 0.03in1 x Twisted Drill Bit 1mm / 0.04in1 x Twisted Drill Bit 1.2mm / 0.05in1 x Twisted Drill Bit 1.5mm / 0.06in1 x Twisted Drill Bit 1.8mm / 0.07in1 x Twisted Drill Bit 2mm / 0.08in1 x Twisted Drill Bit 2.2mm / 0.09in1 x Twisted Drill Bit 2.5mm / 0.1in1 x Twisted Drill Bit 2.8mm / 0.11in1 x Twisted Drill Bit 3mm / 0.12in1 x Plastic Storage Box