SPEC Material: S2 Alloy Steel Bit: Phillips Shank: Hex Size Red:110*6mm/4.33 × 0.24 inch Yellow:90*6mm/3.54 × 0.24 inch Green:65*6mm/2.56 × 0.24 inch FEATURES ANTI-SLIP DESIGN – Designed with a unique anti-slip Phillips head, this bit offers enhanced screw engagement and reduced slippage. The fine-waisted body increases torsional resistance, making it ideal for impact-heavy applications. SPRING & MAGNETIC DESIGN – Spring mechanism allows for easy one-handed bit replacement, improving workflow efficiency. Strong internal magnets secure screws firmly in place, simplifying screw alignment and insertion. MATERIAL – Constructed from high-hardness S2 alloy steel, the bit resists wear, cracking, and deformation under pressure. A waterproof, insulated rubber coating further protects against rust, moisture, and electrical hazards. VERSATILE TOOL COMPATIBILITY – Universally electric drills, driver machines, and standard screwdriver handles. Ideal for home repair, assembly lines, carpentry, and electrical work. Multiple options support various working depths. Package Includes: 1/2/3×Phillips Bit with Spring