A Phillips head screwdriver is a type of screwdriver designed to be used with Phillips head screws, which have a cross-shaped indentation in the head of the screw. The screwdriver has a pointed, four-sided tip that matches the shape of the screw head.
Phillips head screws are commonly used in a variety of applications, including in electronics, furniture assembly, and automotive repairs.
Phillips head screwdrivers come in a range of sizes to match the different sizes of Phillips head screws. The most common sizes are #0, #1, #2, and #3, with #2 being the most widely used size.