High-speed steel jobber-length drill bits provide more flexibility and absorb more shock and vibration than cobalt, powdered-metal, and carbide jobber-length drill bits, making them suitable for use in manual drilling machines and handheld power tools. They may leave a rough finish on the hole. Jobber-length drill bits are the most commonly used drill-bit length. They provide a good balance of strength and accuracy when drilling into a range of materials.