The contra-angle handpiece is a versatile tool that can be used for a variety of dental procedures. It is designed to be lightweight and easy to maneuver, which makes it used in tight spaces. A gear ratio of 1:5 offers higher speed and can be used for heavier duty procedures, such as cavity preparations and crown cutting. 1:5 contra-angle handpiece becomes one of the favorites among the dentist, especially in Europe. Compared with the other normal contra angle handpieces, the 1:5 contra angle handpiece has better performance in drilling force and power. It could provide a more stable drilling force, so it improves efficiency and reduce the pain to the patient. There is no exaggeration that 1:5 contra angle handpiece may be the king of dental equipment.