Features High-Quality S2 Steel Material: Crafted from durable and tough S2 steel, these screwdriver bits are built to last, providing reliable performance for various applications. Strong Magnetism: The strong magnetism of these screwdriver bits ensures a secure grip on screws, preventing slipping and making fastening tasks easier and more efficient. Versatile 1/4 Inch Hex Shaft: With a 1/4 inch hex shaft, these screwdriver bits are compatible with electric screwdrivers, hand screwdrivers, cordless drills, and more, offering versatile usage. Five Different Sizes: This set includes five screwdriver bit sizes (Δ1.8/Δ2.0/Δ2.3/Δ2.7/Δ3.0), providing a comprehensive selection to tackle various screw fastening needs. Triangle-Shaped Design: The triangle-shaped screwdriver bit design allows for driving screws in unique devices such as vacuum cleaners, fan heaters, elevators, and camping stoves, offering exceptional flexibility. Specification: Materials: S2 alloy steel Color: As shown in the pictures Magnetic: Yes Head Type: TA1.8/TA2.0/TA2.3/TA2.7/TA3.0 Hex Shank: 6.35mm(1/4") Length of Screwdriver Bit: 50mm / 1.97" Quantity: 5pcs Package Includes: 5 x Screwdriver Bits Package List