The Snap-On Tools SSDD44 1A Reversible 3/16" Flat & #1 Phillips Screwdriver Bit is a high-quality, single interchangeable screwdriver bit designed for automotive use. Manufactured by Snap-on, a reputable brand known for producing top-notch hand tools, this screwdriver bit is made in the United States. With a reversible design and precise sizing, this tool is ideal for efficiently and effectively removing and installing screws in a variety of automotive applications.