Crafted from high-quality S2 steel alloy, these drill bits offer exceptional hardness, impact resistance, and wear resistance. The magnetic feature securely holds screws in place, ensuring precise adjustments without slippage for enhanced work efficiency. Designed with a PH2 cross-groove and a 1/4-inch hexagonal rod, these screwdriver drill bits are compatible with various tools including electric screwdrivers, manual screwdrivers, pneumatic screwdrivers, and more. Their professional-grade construction ensures compatibility with a wide range of applications. Each screwdriver head undergoes stringent quality control measures to guarantee accuracy and reliability during use. The cross head design locks screws firmly without causing damage, providing users with a fast, convenient, and powerful tool for diverse projects. Featuring a specially coated surface for strong anti-rust protection and high precision performance, these drill bits are ideal for both household screws and large appliances. The durable coating enhances longevity while maintaining consistent performance over time. This set includes seven sizes of screwdriver drill bits ranging from 25mm to 150mm, offering versatility for various project requirements. Upgrade your toolkit with this professional-grade screwdriver drill bit set today! Description: This magnetic screwdriver drill bit set is a must-have for any DIY enthusiast or professional. Made of high-quality S2 steel alloy, these heads are durable and built to last. The magnetic feature ensures that the screws are securely held in place, making your work more efficient and precise. The set includes a variety of sizes to suit different needs, from 25mm to 150mm, with a PH2 cross-groove design that is perfect for household screws and large appliances. The heads are compatible with electric screwdrivers, manual screwdrivers, drills, and more, making them versatile and convenient to use. With strong anti-rust properties and high precision, these screwdriver heads are reliable and easy to work with. The included plastic storage box keeps everything organized and easily accessible. Upgrade your toolkit with this professional-grade screwdriver drill bit set today! Item Name: Drill Bit Material: Metal Features: High Hardness, Rust-Resistant, Long Lasting Size Details: Length: 2.5cm(Approx.) Length: 5cm(Approx.) Length: 6.5cm(Approx.) Length: 7cm(Approx.) Length: 9cm(Approx.) Length: 12.7cm(Approx.) Length: 15cm(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 7 x Drill Bits