Cordless impact drivers are used to tighten and loosen screws in building work. The Model WH 14DBL has the following features: 1. It is versatile thanks to the four-step variable speed control mechanism for accurate speed and impact control. 2. The body is entirely covered with soft material, to prevent the tool from sliding when placed on a slope and damaging building materials. 3. The handle is easier to grip and press with optimum shape and weight balance and comfortable switch for easier operation. 4. A belt hook can be quickly drawn out when needed and retracted when not needed.