A very useful set of flat spade drills with a hex shank. Suitable for soft and hard woods. Includes common and useful sizes; 10mm. 16mm. 20mm. 22mm. 25mm. 32mm. Total length 150mm. Sizes are stamped on each drill for easy identification. Standard 1/4" hex shank fits cordless screwdrivers but can also be clamped in a standard drill chuck and helps prevent slipping. Complete in a plastic storage case. Hardened steel construction is perfect for wood work. Hard enough to be sharp and cut easily but not to brittle.