Features High Strength Magnetic Ring: Prevent screws from falling off with the incorporated magnetic ring, ensuring efficient and secure screwdriving. Enhanced Torsion Design: The concave design in the middle provides increased torsion, better toughness, and high bite, minimizing damage to the screw during use. Alloy Steel Construction: Crafted from alloy steel with HRC65 hardness, this screwdriver bit offers exceptional durability and a longer service life. Standard 1/4in Hex Shank: Featuring a standard 1/4in double-ended cross hex shank connector, this set of ten screwdriver bits ensures compatibility and durability. Versatile Compatibility: Suitable for use with manual screwdrivers, hand drills, lithium ion drills, electric screwdrivers, and pneumatic screwdrivers, offering wide application flexibility. Features: 1、Magnetic Screwdriver Bit: The screw head incorporates a high strength magnetic ring to effectively prevent the screw from falling off. 2、Large Torsion: This screwdriver bit has a concave design in the middle of the bit for more torsion, better toughness, high bite when working, and less damage to the screw. 3、Alloy Steel: This screwdriver bit is made of alloy steel, with an overall high temperature quenching and hardness of HRC65 for a longer service life. 4、Standard Size: This screwdriver bit is a standard 1/4in double ended cross hex shank connector with ten pieces for durability. 5、Wide Application: Can be used for manual screwdrivers, hand drills, lithium ion drills, electric screwdrivers, pneumatic screwdrivers. Specification: Item Type: Magnetic Screwdriver Bit Material: Alloy steel Screwdriver Bit Size: PH2 Screwdriver Bit Diameter: 1/4in Hex Shank Package List: 10 x Magnetic Screwdriver Bit 1 x Storage Box Package List 10 x Magnetic Screwdriver Bit 1 x Storage Box