Features: This set of 10 round shank twist drill bits is crafted from high strength alloy steel, ensuring durability and wear resistance for efficient drilling across various materials. Featuring a round shank design for easy grip and a twist structure that enhances drilling efficiency and precise, these drill bits are essential addition to any toolkit. Ideal for professional craftsmen, DIY enthusiasts, and household users, this versatile set caters to wide ranges of skill levels and project needs. Perfect for drilling tasks on wood, plastic, and metal, these drill bits are suitable for diverse applications, from home improvement projects to professional construction work. Enhances your tool collection with these reliable and robust drill bits, designed to deliver consistent performances and long last results in every drilling task. Specifications: Component:Steel 1Set/10pcs Twist Drill Bit includes:1pc 0.8mm,1pc 1.0mm,1pc 1.2mm,1pc 1.5mm,1pc 1.8mm,1pc 2.0mm,1pc 2.2mm,1pc 2.5mm,1pc 2.8mm,1pc 3.0mm; 1Set/25pcs Twist Drill Bit includes:5pcs 0.5mm,5pcs 0.6mm, 3pcs 1.0mm,2pcs 1.2mm,2pcs 1.5mm,2pcs 1.8mm,2pcs 2.0mm,2pcs 2.35mm,2pcs 3.0mm; Package Includes: Package A 1Set/10pcs Twist Drill Bit Package B 1Set/25pcs Twist Drill Bit note: Please allow 1-10mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.