The HS-135A-38 is a high-speed screwdriver manufactured by Stonecold. It features a compact design for precise operation, variable speed control for added control, and a soft-grip handle for improved comfort. The tool comes equipped with a quick-change bit holder, which makes changing out the tool's bit a breeze. This screwdriver is ideal for use on a wide variety of materials, including sheet metal, plastics, and softer woods.