The Alpen 19pc HSS Sprint Jobber Dial-a-Drill Set offers a comprehensive range of high-speed steel (HSS) drills designed for precision and durability. This set is perfect for drilling a variety of materials, including alloyed, carbon, and plain steel, making it ideal for both professional and DIY tasks. Key Features: Sizes Included: 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7mm, 7.5mm, 8mm, 8.5mm, 9mm, 9.5mm, 10mm Material: High-speed steel (HSS) for exceptional toughness and cutting efficiency Applications: Ideal for drilling alloyed, carbon, and plain steel Performance: Break-resistant with high elasticity and toughness Design: Special point shape for enhanced speed and long life Quality: Made from high-quality HSS steel for extended durability Usage: Suitable for hand-held operations Brand: Alpen