Description: 【Material】: Special-shaped Screwdriver Set are made from durable steel, ensuring long term use and resistance to wear and tear. 【Design】: This drill set has been carefully manufactured and precision processed, with a 6.35mm hexagonal interface, providing excellent grip and reducing the risk of slipping during use. 【Fine Workmanship】: Precision screwdriver, tight bite, small precision processing error of the head, and high matching with the screw. 【Easy to Storage】: The Screwdriver set comes neatly packaged for easy storage and organization, making it convenient to carry around for repairs or professional jobs. 【Versatile Use】: Ideal for home appliance repair, these screwdriver bits can be used with a variety of electric drills, making them a versatile addition to any tool kits. Specification: Material: Steel Size Chart: 0.635cm/0.25inch Package Includes: 13 Pieces Screwdriver Set or 7 Pieces Screwdriver Set or 5 Pieces Screwdriver Set(4 Pack) Note: Please allow slightly errors due to manual measurement and different monitors.