Feature: 1. SMOOTH CHIP REMOVAL: Spiral chip removal design, bring smooth chip removal. Smooth and of sharpness grooves support fast cutting and high drilling efficiency 2. HIGH HARDNESS AND STABLE PERFORMANCE: High quality high speed steel material, possess high hardness, stable performance, of sharpness and durable 3. FAST AND ACCURATE DRILLING: 118° acute angle design, bring fast and accurate drilling, saving time and effort, suitable for processing non ferrous metals 4. FINELY SHARPENED: The cutting edge is finely sharpened to meet different cutting accuracy, with high work efficiency 5. CONVENIENT TO CARRY: A total of 10pcs extra long twist drill bits will meet your using needs, convenient to carry, you can take or use at anytime Specification: Item Type: Extra Long Twist Drill Bits Product Material: High speed steel Product Length: Approx. 200mm / 7.87in Product Diameter: Approx. 2.5mm / 0.1in Product Quantity: 10Pcs Scope of Application: Suitable for processing non ferrous metals Package List: 10 x Extra Long Twist Drill Bits