ITEM NAME:13x Hex Shank Twist Drill High Speed Steel Titanium Coated Engineering Tool XRC Descriptio n Description: Material: high speed steel Surface treatment: titanium plating Color: gold Packing size: 15X5X5cm Features: Longer life and durability. There are sizes marked on the shank, easy to recognize. Titanium coated drill bits, reduced friction and heat. Ideal for DIY, home and general building/engineering using. Can be used for drilling wood, plastic, aluminum, iron Package included: Twist Drill Set*1 13PC hex shank twist drill Specifications: 1.5mm, 2mm, 2.5mm, 3mm, 3.2mm, 3.5mm, 4mm, 4.5mm, 4.8mm, 5mm, 5.5mm, 6mm, 6.5mm each 1pcs Note: Please allow a little size error due to manual measurement. Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. We offer you what you need! 13-piece hex shank 6.35mm titanium-coated twist drill Wind.13PC hex shank twist drill Specifications: 1.5mm, 2mm, 2.5mm. 13-piece hex shank 6.35mm titanium-coated twist drill Wind. There are sizes marked on the shank, easy to recognize. Titanium coated drill bits, reduced friction and heat.