["brand new and high quality\nFeatures:\nThe step drill bit is made from high speed steel of high hardness and good wear resistance.\nSurface is coated with for titanium which give the drill bit a beautiful gold color and will not fade easily.\nThis single drill bit can be used for drilling a wide range of hole sizes from 3mm to 13mm.\nIt is most commonly used on softer materials such as thin iron sheet, aluminum, PVC and wood board of 5mm or thinner.\nStep drill is great for use in work where thin steel, aluminum or plastic boxes and chassis are encountered. \nStep Drill Bit only, other accessories demo in the picture is not included!\n\nSpecification:\nMaterial: High Speed Steel\nSurface Finishing: for Titanium Coating\nStep Size: 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm\nHex Shank: 1/4\" \nSize: app.76.24x6.2mm/3x0.24in\nColor: As pictures shown\nQuantity: 1 Pc\n\nNote:\nPlease allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage Contents: \n1 x Step Drill Bit"]