11Pcs 6-32mm High Carbon Steel Hex Shank Flat Wood Drill Bit Hand Drill Bit Set Spade Woodworking Power Tool AccessoriesFeature:1. The cutting head is made of high-quality high carbon steel, and the hardness reaches HRC55-HRC60 after heat treatment.2. Different from other wood drill bits, the product head is specially designed with two cutting edges added to the two edges for precise positioning and saving cutting labor.3. The product is easy to use and can be used on bench drills, DC and AC hand drills. Specification: Material: Carbon Steel Specification: 6-32mm Length: Both are 161mm Tip: Both plug electric drills and cordless lithium electric drills can be used. A 12V cordless drill is not recommended because the torque is too low. It is recommended to use a 24V/28 lithium drill bit.Note:Due to the different monitor and light effect, the actual color of the item may be slightly different from the color showed on the pictures. Please allow 1-2mm measurement deviation due to manual measurement. 11 X Drill Bits