Feature: 1. S2 ALLOY STEEL: Crafted from S2 alloy steel, the screwdriver drill bits feature CNC machining and heat process, ensuring remarkable strength, durability, and resistant to breakage for long lasting performance. 2. MAGNETIC DESIGN FOR CONVENIENCE: The magnetic drill bits allow for effortless screw pickup and secure retention, preventing parts from falling during use, making them ideal for various tasks. Plus, the magnets remain effective even after multiple uses. 3. ESSENTIAL TOOL SET: Whether you are an enthusiast or a professional, this hex wrench drill bit set is an essential addition to your toolkit, providing reliability and efficiency for all your repair and assembly needs. 4. METRIC HEX BIT SET: The package includes 10 pieces of 1/4 inch hex shank hex screwdriver bits in various sizes (1.5, 2, 2.5, 3, 3.5, 4, 5, 6, 7, 8mm), ideal for various tasks and projects. 5. VERSATILE APPLICATIONS: This hex wrench drill bit set is ideal for a wide range of applications, including furniture assembly, garage projects, automotive work, cycling repairs, plumbing tasks, construction, and more. Specification: Item Type: Hex Bit Set with Storage Rack Material: S2 Alloy Steel Surface Process: Black Phosphating Length: Approx. 100mm / 3.94in Size: 1.5, 2, 2.5, 3, 3.5, 4, 5, 6, 7, 8mm. Package List: 10 x Hex Bit 1 x Storage Rack