Features: *There are 13 different specifications coated drill bits lasts six times longer than standard drill bits. *The 1/4 "hex shank is specially designed for cordless screwdrivers, which can enable you to change the drill bits quickly. * coated HSS drill set with standard 1/4 "hex shank that will fit cordless screwdrivers, drills etc or use in standard drill chuck steel, wood, plastic etc. Specifications: *Material: High Speed Steel * treatment: plating *Color: gold *Optional Size: 1.5mm/0.06", 2.0mm/0.08", 2.5mm/0.10", 3.0mm/0.12", 3.2mm/0.13", 3.5mm/0.14", 4.0mm/0.16", 4.5mm/0.18", 4.8mm/0.19", 5.0mm/0.20", 5.5mm/0.22", 6.0mm/0.24", 6.5mm/0.26" *Shank: 1/4" hex shank *Uses: It can be used for drilling thin plates such as wood, plastic, aluminum, and iron. *Quantity: 1pc Package Contents: 1x HSS Drill Bit Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. 【 for Durable Titanium Coating】The drill bits feature a titanium coated , which increases their longevity and durability by six times compared to standard drill bits. 【Quick Change Design】Designed with a 1/4" hex shank, these drill bits are compatible with screwdrivers and allow for quick and easy bit changes. 【 Applications】Made of high-speed steel, these drill bits can be used for drilling in various materials including steel, wood, plastic, and more. 【Multiple Sizes Available】The set includes 13 different sizes ranging from 5mm to 6.5mm, allowing for drilling options for various projects. 【Wide Range of Use】These drill bits are suitable for use in thin plates such as wood, plastic, aluminum, and iron, making them for DIY projects and professional use.