Parts List: 01: 12 x Bit (2 each 25-50-65-70-90-150mm) 02: 24 x Bit (4 each 25-50-65-70-90-150mm) Highlight description: Material: These screwdriver heads are crafted from quality K5 alloy with a hardness of up to 62 HRC, ensuring long lasting performance and reliability even under intense working conditions Magnetic: Equipped with excellent magnetism, these impact drill bits effortlessly pick up and securely hold screws without slipping or falling off, providing an effortless working experience and improving overall efficiency Nonslip: Featuring nonslip fine teeth and nonslip serrated blades for superior grip and stability, these bits effectively avoid cams from falling off and ensure a precise and tight fit for screws, resulting in increased drilling efficiency and accuracy Versatility: Designed for versatility, these bits are compatible with a wide range of tools including impact drivers; electric screwdrivers; drills and more for a wide range of applications from home repairs to professional projects Product Size: The Phillips screwdriver bits are available in lengths of 1 inch/25 mm; 2 inch/50 mm; 2.6 inch/65 mm; 2.8 inch/70 mm; 3.5 inch/90 mm and 6 inch/150 mm. Different sizes can meet your different needs. And they are easy to carry or store Detailed description: Description: Crafted from K5 alloy, these bits have a hardness of up to 62 HRC to ensure long lasting performance and reliability. Equipped with excellent magnetism, they can effortlessly pick up and securely hold screws. The nonslip design gives them excellent grip and stability. 6 different sizes are available to meet your different needs. Key Feature: Design: Shank double slot design (9mm slot, 13mm slot); universal shank diameter 6.35mm. Double slot design applies to a wider range of tools Specification: Product Name: Impact Screwdriver Bit Set Size: 1in/25mm, 2in/50mm, 2.6in/65mm, 2.8in/70mm, 3.5in/90mm, 6in/150mm Shank: diameter 1/4in (6.35mm) Material: K5 Alloy Color: White Note: 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. Nonslip: Featuring nonslip fine teeth and nonslip serrated blades for superior grip and stability, these bits effectively avoid cams from falling off and ensure a precise and tight fit for screws, resulting in increased drilling efficiency and accuracy Material: These screwdriver heads are crafted from quality K5 alloy with a hardness of up to 62 HRC, ensuring long lasting performance and reliability even under intense working conditions Magnetic: Equipped with excellent magnetism, these impact drill bits effortlessly pick up and securely hold screws without slipping or falling off, providing an effortless working experience and improving overall efficiency Versatility: Designed for versatility, these bits are compatible with a wide range of tools including impact drivers; electric screwdrivers; drills and more for a wide range of applications from home repairs to professional projects Product Size: The Phillips screwdriver bits are available in lengths of 1 inch/25 mm; 2 inch/50 mm; 2.6 inch/65 mm; 2.8 inch/70 mm; 3.5 inch/90 mm and 6 inch/150 mm. Different sizes can meet your different needs. And they are easy to carry or store