15Pcs 1.5–6.5 mm Hex-shank Cobalt-tipped Twist Drill Bits (for high-strength, ultra-hard wood / high-speed steel / general-purpose)

This 15-piece set includes hex-shank cobalt-tipped twist drill bits ranging from 1.5 to 6.5 mm, suitable for drilling high-strength materials like wood and steel.

• The description claims the bits are hard, durable, and have high strength.
• The description claims precise drilling without requiring a pilot hole.