[Upgraded High Hardness and Strong Magnetic Bit]: The D1 Anti-Slip and Shock-Proof Bits with Screwdriver Bits are made of high-quality materials, offering high hardness, wear resistance, and impact resistance. They are durable and designed for long-term use. Built for high-impact, high-strength screwdriving, suitable for screwdrivers, especially impact drivers. [Non-slip Shock-Proof Serrated Blade]: Resistant to shock and cracking, these bits easily penetrate metal plates and dovetail nails. Say goodbye to screw slippage. The deep bite design effectively reduces head slippage and greatly improves work efficiency. [Non-slip Magnetic Impact Bit]: Our Magnetic Screwdriver Bit Set features a powerful magnet and an anti-slip fine tooth design that securely holds screws in place, allowing for effortless one-handed operation. [Impact Magnetic Bit]: High torque and strong performance. Upon contact with the screw head, the impact screwdriver's collision reaction force is partially absorbed by torsion, effectively helping prevent the cutter head from breaking. [Anti-Shock High Hardness and Strong Magnetic Bit]: Quickly penetrates metal, resistant to shock and cracking. Easily drills through metal plates with dovetail nails. Widely used in ceramic tile, vitrified brick, glass, concrete, metal, wood, and other drilling applications. Specification: 25+50+65+70+90+150 Material: Alloy Steel Color: Black Package Contents: 12 x Drill Bits Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the real thing. The measurement allowed error is +/- 1-3 cm.