Features: 1.Made of high quality material, strong enough for long time use. 2.It is very suitable for drilling on wood, with a mill or a morning coat. Suitable for all motors and press accessories. The square-hole drill is mainly used for woodwork. 3.Use with the head and the tension machine will result in a double effect. Hole drilling requires the use of electric drills, hammers and other tools. 4.Reduce the labor intensity of construction workers, accelerate the construction speed, and reduce the construction cost of construction, installation, renovation and decoration industries. 5.If you have any question,you can contact us.We will try our best to help you. Notice: Please allow 1-3cm deviation due to manual measurement Actual color may be slightly different from the image due to different monitor and light effect Description: Material:high speed steel Size:as shown includes: 1x Woodworker Square Hole Drill Bit