A quality SEVEN piece countersink drill bit set that comes in it's own wooden carry box. This set is perfect for all the popular wood screw sizes. Tapered drill bits such as these have more gripping power than standard drill bits. Manufactured from heat treated steel with a single twist design for smooth drilling. Pre-drills for wood screws and make pilot holes with perfect tapers every time. The set comes with screw sizes 5, 6, 7, 8, 9, 10 and 12mm and 1pc hex wrench. An essential piece of kit for any carpenter or DIY enthusiast.