Dimensions: 19cm x 1.5cm Extended Length Drill Bit: The extended length of this drill bit allows easy access to hard-to-reach areas, making it suitable for drilling through hard materials like wood and plastic. Semi-Automatic Function: Designed for efficiency, the semi-automatic mechanism ensures fast and effortless drilling, saving you valuable time on your projects. Various Applications: Perfect for a range of tasks, from small DIY improvements around the house to large construction projects, this hand drill meets various drilling needs with ease. Construction: Made from robust plastic and metal components, this drill bit is designed to withstand heavy use without compromising performance or reliability. Complete Chuck Set: Comes with a double-ended chuck and two additional drill chucks, providing a total of four different chucks for adaptable to different sizes and applications.