Different allow you to choose the most suitable one according to your needs. Professional and exquisite workmanship makes it not easy to slip.The high adaptability makes it suitable for various electric drills. And the smooth chip removal makes its operation more efficient.Made of high carbon steel material, it is very durable to use.The length of this product is 16.5cm, the punch length is 7cm and the shank diameter is 0.635cm.It is very suitable for hand drill, electric wrench, woodworking, electric drill and so on.Item Name: Four-slot Drill BitMaterial: High Carbon SteelColor: RedFeatures: Four-Slot, Sharp, Widely UsedSize Details: Length: 16.5cm/6.5" (Approx.)Punch Length: 7cm/2.76" (Approx.)Shank Diameter: 0.635cm/0.25" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Four-slot Drill Bit Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia