Parts List: 21 x Hexagonal Screwdriver Bits Highlight description: High Hardness and Endurance: Hex Screwdriver Bits Set is made of S2 alloy steel material, which is professionally heat-treated and has a hardness of up to HRC60 degrees, ensuring that the tool is enduring for a long time and not easy to wear out Magnetic Tip Design: Hex Screwdriver Bits are equipped with magnetic tips, which can effectively adsorb nuts and bolts, improve work efficiency, and apply to a wide range of applications, allowing you to efficiently complete the work Metric Size: The set includes metric sized hexagonal bits, H1.5, H2, H2.5, H3, H3.5, H4, H5, H6, H7, H8, H10, to meet the needs of various sizes of screws removal Fine Workmanship: Phosphate black process, beautiful appearance, and improve the service life of the hexagonal screwdriver bit, to ensure that the product maintains good performance for a long time User-friendly Design: 1/4 inch diameter hex drive handle design increases the flexibility and torque concentration of the tool, providing you with better workmanship and a more comfortable use experience Detailed description: Description These hexagonal screwdriver bits are made of S2 alloy steel material with high hardness, high torque and large torque. Our screwdriver bits are made of phosphate black process to ensure long term endurance. This tool is widely used in automotive, household and manufacturing industries. Key Features Easy to Use: The screwdriver bit is equipped with a magnetic tip, so it is easy to suck nuts and bolts during use, making your work easier. Multifunctional: Hexagonal Screwdriver Bits Set is suitable for furniture repair, electrician repair, automotive repair, electrical repair and many other scenarios, bringing convenience to your work and life. Specification Product name: Hex Screwdriver Bits Set Material: S2 alloy steel Color: Black + Lake Blue Length: 25mm, 60mm / 1inch, 2.36inch Specification: H1.5/2/2.5/3/3.5/4/5/6/7/8/10mm Characteristics: high torque, large torque, high hardness and wear-resistant, not easily rusted Scope of application: Furniture repair, automotive repair, electrician repair, electrical repair, etc. Notes: 1.There may be slight differences between the picture and the actual color of the commodity. We will try our best to show you the exact color. 2.Please allow slight dimension difference due to manual measurement. Metric Size: The set includes metric sized hexagonal bits, H1.5, H2, H2.5, H3, H3.5, H4, H5, H6, H7, H8, H10, to meet the needs of various sizes of screws removal High Hardness and Endurance: Hex Screwdriver Bits Set is made of S2 alloy steel material, which is professionally heat-treated and has a hardness of up to HRC60 degrees, ensuring that the tool is enduring for a long time and not easy to wear out Magnetic Tip Design: Hex Screwdriver Bits are equipped with magnetic tips, which can effectively adsorb nuts and bolts, improve work efficiency, and apply to a wide range of applications, allowing you to efficiently complete the work Fine Workmanship: Phosphate black process, beautiful appearance, and improve the service life of the hexagonal screwdriver bit, to ensure that the product maintains good performance for a long time User-friendly Design: 1/4 inch diameter hex drive handle design increases the flexibility and torque concentration of the tool, providing you with better workmanship and a more comfortable use experience