20PCS Impact Hex-Shank Drill Bit Set with Extension Socket, 4" Long Allen Wrench Hex-Bit Set Magnetic, Metric&SAE, S2 Steel 1/4" Hex Head with Storage Box

Hexagonal shape enables the batch head to fit closely with the screw head, better avoiding slippage, easy handling of screws, and efficient removal and installation of screws- Stable during rotation, not easy to shake or shift- Can be accurately aligned with the screw head, to ensure accurate handling- Improve work efficiency and qualityMaterial: S2 SteelSize:Batch Head Length:10cm/ 3.94 inchStandard 6.35mm/ 0.25 inch Hexagonal HandleConversion Head Length: 6cm/ 2.36 inch long, 1cm/ 0.39 inch wide, 1cm/ 0.39 inch high10PCS Metric: 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 5mm, 6mm, 7mm, 8mm10PCS Imperial: 5/64 inch, 3/32 inch, 7/64 inch, 1/8 inch, 9/64 inch, 5/32 inch, 3/16 inch, 7/32 inch, 1/4 inch, 3/16 inch

• [Premium S2 Alloy Construction]: Hardened CNC-machined drill tips with manganese phosphate coating resist rust and snapping—15x longer lifespan than standard bits. Reinforced magnetic heads securely grip screws without decay
• [Torsion Zone Durability]: Impact-optimized torsion area absorbs torque spikes for smooth operation in heavy-duty drivers, automotive repairs, and industrial projects.
• [Full-Size SAE/Metric Kit]: 1PC Extension Socket + 20PC Bit Set covers SAE (5/64"-5/16") and Metric (1.5mm-8mm) sizes with universal 1/4" hex shanks. Extra 4" length reaches tight spaces in 3D printers, motorcycles, and furniture.
• [Magnetic Precision Grip]: High-strength magnetic tips lock screws instantly for one-handed use—ideal for electronics, RC models, and overhead repairs.
• [Pro-Grade Versatility]: CNC-Machined with corrosion-resistant, snap-proof reliability. Built for DIYers and pros: tackles bed frames, bicycles, cars