99Pcs HSS Titanium Coated Twist Drill Bits High Speed Steel Drill Bits Power Parts Set Wood Metal Drilling Tools 1.5mm - 10mm Features: Made of titanium coated HSS, high speed steel. Easy to start drilling without pre-punching. Fast drilling speed with extremely low friction. 99PCs Specifications: 16x1.5mm 16x2mm 15x2.5mm 10x3mm 10x3.2mm 8x3.5mm 8x4mm 3x4.5mm 3x5mm 2x5.5mm 2x6mm 2x6.5mm 2x8mm 2x10mmSuitable for various types of wood, metals, plexiglass and hard plastics. Ideal for home DIY and general use in construction and engineering. Specification:Material: Titanium high speed steelColor: As the picture showsPackage Included:99 Pieces of Drill BitsNote:1. Please allow 1-2mm difference due to manual measurement.2. The color of the actual items may be slightly different from the listing pictures due to different computer screen, thanks for your understanding. If you have any questions, you can via trademanager or message, we will always be here and answer all your questions at the first time.