• Drill bits made with industrial-grade M35 high-speed steel, with 5% cobalt for increased wear resistance and durability. • Full grinding process with a 135° split point for precise starting and reduced errors. • Suitable for drilling hard metals such as stainless steel, steel, sheet metal, and cast iron, as well as plastic, aluminum alloy, wood, and other softer metals. • Compatible with most drills on the market, ideal for DIY, home maintenance, and repair. • Includes 2 cobalt drill bits of 4.0 mm. • Specifications: 3.2 mm diameter, straight/round shank, 135° angle. • Applicable in pistol drills, bench drills, hand drills, among others.