A portable drill is a versatile power tool designed for drilling holes in various materials such as wood, metal, and plastic. It typically features a rotating drill bit that can be easily changed to accommodate different tasks. Portable drills are powered by electricity or batteries, making them convenient for both indoor and outdoor use. These tools often come with adjustable speed settings and torque controls, allowing users to customize their drilling experience. Many portable drills also include additional features like built-in lights and ergonomic handles for improved comfort and visibility. They are essential for DIY projects and professional construction work alike.