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. 【Long-lasting Titanium Coating】The drill bits feature a for durable titanium coating that lasts up to six times longer than standard drill bits, extended usage and improved performance. 【Convenient 1/4" Hex Shank】Designed with a 1/4" hex shank, these drill bits are specifically created for use with screwdrivers, allowing for quick and easy bit changes. 【 Applications】Made of high-speed steel (HSS) with a titanium plating, these drill bits are suitable for use in various materials such as steel, wood, plastic, and more. They can be used with screwdrivers, drills, or standard drill chucks. 【Multiple Sizes】The set includes 13 different sizes ranging from 5mm to 6.5mm, offering a wide range of options to meet different drilling needs. 【 Material】Crafted from high-speed steel, these drill bits provide durability and sharpness for efficient drilling.