13 Pieces Twist Drill Bit Set Hole Punching Drill Bit Multifunction Power Tools Accessories for Engineering with Iron Storage Box

Description: RELIABLE AND STURDY: high hardness and wear resistance high quality and tough. SIZE: Drill bit are 13 types of diameter 1.5/2/2.5/3/3.2/3.5/4/4.5/4.8/5/5.5/6/6.5mm. Different sizes to meet your needs. FEATURES: Hardened and polished sharp cutting helping you to drill through surfaces allowing you using these drills to drill deeper holes. USAGE: The Triangle Drill Bit can be used for ceramic glass tile marble granite brick wood etc. (pls choice you need materials) APPLICATION: Perfect for home DIY building and engineering use etc. Specification: Material: Optional Size Chart: Length: 6cmx11.7cm/2.36inchx4.61inch Package Includes: 13 Drill Bit Set Note: Please allow slightly errors due to manual measurement and different monitors.