Morelian Step Drill Bit Set - 3PCS HSS Cobalt 4-12mm/ 4-20mm/ 4-32mm

This cobalt step drill bit set is a must-have for home repairs and woodworks, such as drilling holes in plastics, aluminum, and a lot of other types of boards. If you are looking for this tool, just have a try! Preferred Material: This drill bits is made of HSS material, superior wear and corrosion resistant, not easy to rust and can provide a long service time. Wide Application: This drill bit can be widely used for hole drilling of iron sheet, PVC, wood plate, plastics and other meterial sheets. Portable Size: The small size of this tool is very convenient for everyday woodwork DIY use. This tool is the perfect accessories to be compatible with electric hand drill and battery powered electric drill. Specifications: Material: HSS 4241 Step Drill: 4-12mm/ 4-20mm/ 4-32mm Handle diameter: 4-12mm: 6mm 4-20mm: 8mm 4-32mm: 10mm Package size: 100 * 80 * 50mm / 3.9 * 3.1 * 2.0in Package weight: 225g / 7.9ounce Packing list: 3 * Step Drill Bits