Feature:1. The drill has a 118 split point, which can cut perfectly every time and be used accurately.2. All highspeed steel drill bits are suitable for most materials, including iron, aluminum, copper, wood, plastic, etc.3. The metal shell with marks is convenient for storage and transportation, and it is easy to find the correct size drill bit.4. It is durable, not easy to damage, does not need to be replaced frequently, and runs extremely fast.5. Including 230pcs of drill bits, multitiple sizes is provided for you to choose from, satisfy your different needs.Specification:Item Type: HSS Metric Drill Bits SetMaterial: HighSpeed SteelFeature: 118 Split point designDrill Bit Size: Approx. 1mm/0.04in, 1.5mm/0.06in, 2mm/0.08in, 2.5mm/0.09in, 3mm/0.11in, 3.2mm/0.12in, 3.5mm/0.14in, 4mm/0.16in, 4.2mm/0.17in, 4.5mm/0.18in, 5mm/0.19in, 5.5mm/0.22in, 6mm/0.24in, 6.5mm/0.26in, 7mm/0.28in, 7.5mm/0.29in, 8mm/0.31in, 8.5mm/0.33in, 10mm/0.39in (10pcs for each size)Drill Bit Size: Approx. 9mm/0.35in, 9.5mm/0.37in, 10.5mm/0.41in, 11.5mm/0.45in, 12mm/0.47in, 12.5mm/0.49in, 13mm/0.51in (5pcs for each size)Storage Box Size: Approx. 50 x 25 x 4.3in / 19.7 x 9.8 x 1.7in.Package List:230 x Drill Bit1 x Storage BoxNote:Cannot be used for drilling steel.