Features Enhanced Durability: Crafted from high-speed steel, these extra-long twist drill bits offer superior strength and longevity, ensuring prolonged use without wear in various woodworking projects. Pre cision Drilling: With a range of sizes from 2mm to 5mm, these drill bits provide versatile options for creating precise and clean holes in wood, enhancing your craft and construction tasks. Extra Long Design: The extended length of these twist drill bits allows for reaching deep into your workpiece, making them ideal for jobs that require a deeper drilling depth that standard bits cannot achieve. Versatile Compatibility: Equipped with straight shanks, these drill bits are compatible with most standard drill models, ensuring a wide range of usability while maintaining stable and secure attachment. Smooth Cut: Engineered for efficiency,well-defined flutes of the drill bits facilitate the removal of wood shavings, reducing friction and heat for a smoother, faster drilling experience. Features: Twist drill bits are made from high-speed steel for high hardness and durability. This set includes 5 pieces drill bit in different sizes of the most popular drill bits. Extra long cutting edge allows you using these bits to drill deep holes. They are great for most drilling jobs and materials such as aluminum, wood, plastics. Twisted drill bits will make the drilling easier and more effortless. Specifications: Material: High-speed steel Type: Twist drill bit Diameter: 2mm, 3mm, 3.5mm, 4mm, 5mm Length: 150mm~160mm Package Includes: 5 x Drill Bits Package List