Made of high hardness and strong toughness alloy steel, ensuring durability and reliability With a steel stamps on the top, the screwdriver bit is easy to identify and use with electric drills, air drills, and ratchet wrenches Designed for mechanics, engineers, and DIY enthusiasts, this versatile screwdriver bit is suitable for various tools and can be used in mechanical and household appliance repairs It is compatible for electric drills, air drills, electric screwdrivers, and manual screwdrivers Experience effortless and efficient screwdriving with the T25 Mini Screwdriver Bit Its and precise design ensure excellent performances and long lasting use, Manufacturer: MINGLEA