※ This image is an example image. Some parts and knockoffs may be present. Please check the model number and product name. Material: HSS (high); Tip angle: 90°; Number of grooves: 3; Maximum diameter: 0.4 inches (10.4 mm); Total length: 2.0 inches (51.5 mm); Shank diameter: 0.2 inches (6 mm); Uses: For chamfering and chamfering plate screws.