Features: Engineered with a powerful magnetic tip and impacts resistant design, this screwdriver bit securely holds screws in tight spaces while resisting deformation during high torques applications. The shock absorbing waist structure minimizes torques transmission, paired with premium hardened alloy steel for 2x durability compared to standard bits. Ideal for mechanics, electricians, and diyer enthusiasts requiring precise in repetitive tasks across workshops or home renovation projects. Perfect for automotive repairs, machinery maintenance, or assembling electronics where dropped screws could cause delays in confined areas. universally 1/4 inch hexagonal shank ensures compatibility with drills, impacts driver, and rotary tools, while multiple SQ1 SQ3 lengths adapt to diverse depth requirements. Specifications: Component: hardened alloy steel Size:Approx.50x6.35mm/1.96x0.25inch Size:Approx.100x6.35mm/3.93x0.25inch Size:Approx.150x6.35mm/5.9x0.25inch Styles:SQ1X50/SQ2X50/SQ3X50/SQ1X100/SQ2X100/SQ3X100/SQ1X150/SQ2X150/SQ3X150 Package Includes: 1pcs Magnetic Screwdriver Bit note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.