Specifications:Straight shank design is more suitable for many electric drills and drilling machines.Sharp and twisted flute will make the drilling be more easy and effortless.Suitable for wood, aluminum, plastic, etc.Type: Twist Drill BitDesign: Straight ShankMaterial: HSSQuantity: 1 PcFeatures: Durable, Useful, Hard, Hand ToolShaft Diameter: 2mm/0.08", 3mm/0.12", 3.5mm/0.14", 4mm/0.16", 5mm/0.20" (Approx.)Total Length: 160mm/6.30"Notes:Due to the light and screen setting difference, the items color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Twist Drill Bit