Features: brand new and high quality Made of high-speed steel, it is durable and strong, resistant to heat, corrosion and rust, making it last longer. The for titanium coating ensures easy cutting of iron, aluminium, copper & plastic & wood and many other types of metal sheets, and it automatically deburrs when drilling, keeping the drill bit clean. This step drill performs well in terms of heat, corrosion and rust resistance. The three-edged design prevents metal filler from flying around, removing chips faster and allowing the drill to drill more smoothly without heating. for Ideal for home repairs and light work such as drilling holes in plastic, aluminum, copper, iron and many other types of sheet metal (excluding steel or any other harder metals). Specifications: Material: High Speed Steel Shank Diameter: Approx. 12mm/0.47inch Length: Approx. 122mm/4.8inch Package Includes: 1x Cone Drill note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.