This wood drills are ideal for versatile use. In a cordless screwdriver bit holder can be made quickly and to quickly switch between screw bits and drill back and forth easy holes. For fine drilling accurate normal recording is to be used. Through the hexagonal shaft slippage is completely impossible. The drills are very sharp and retain this sharpness even at long. The box is easy to open and kept the drill perfectly. Only the removal of the box can sometimes be difficult. So beware, the drills are really keen !!