1. Made of high-speed steel material, stable and durable to use 2. Titanium coating treatment 3. Two flute designs for faster, smoother cutting 4. Step drill bits Set 29 replaces individual drill bits 5. High strength, hardness and easy to use 6. Suitable for drilling in wood, plastic, steel, aluminum and other non-ferrous metals Specifications: Flat Bits Drill First on Metal Materials then Cut Like Saw Material: high speed steel Surface treatment: titanium plated Strp drill bits: 4-12MM/ 4-20mm /4-32MM Saw drill bits: 3MM / 6MM / 8MM Included: 3pcs Strp drill bits &

3 pcs saw drill bits Package includes: 6 Pieces high speed steel drill bits + Storage Box