A flat head screwdriver, also known as a flat blade screwdriver, is a hand tool used for turning screws with a straight, flat slot in their heads. The tool features a flat, straight blade that fits into the slot, allowing for easy insertion and removal of screws. It is commonly used in various applications, from assembling furniture to repairing electronics. Flat head screwdrivers come in various sizes to accommodate different screw sizes. They are often made of steel for durability and may have a plastic or rubber handle for a comfortable grip. This tool is essential in many toolkits and is widely used by both professionals and DIY enthusiasts.