- Complete set of 9 twist drill bits made of high-speed steel (HSS) - Designed for drilling natural wood, plywood, particle boards, and plastics - Includes sizes from 3 mm to 12 mm, covering a drilling range of 38 to 102 mm - Precise and clean cut thanks to its double edge and wide blades - Robust material, resistant to rust and corrosion, ideal for prolonged use - Compatible with handheld electric drills, cordless drills, bench drills, and electric screwdrivers - Titanium coating increases wear resistance and durability - Smooth drilling body for greater precision and less effort during use - Especially suitable for carpentry, DIY, and professional projects - Not recommended for drilling metals