• Set of 5 magnetic U-shaped bits (U4, U5, U6, U7, U8) for screwdrivers • Made of high-quality S2 alloy steel, a material with great hardness, strength, and durability • 1/4" hexagonal shank that allows for a secure and stable fit in the screwdriver • Magnetic design that makes it easier to hold screws and prevents slipping • Compatible with electric screwdrivers, manual screwdrivers, electric drills, and pneumatic drills • Ideal for work on electronic equipment, mechanical maintenance, and electrician tasks • The set includes 5 different U-head sizes to suit various applications