Here's the English translation of the screwdriver bit description:

Premium Magnetic PH2 Screwdriver Bit - S2 Steel Industrial Grade for Precision Work

Key Features:

Magnetic Tip: Strong magnetism securely holds screws for quick installation and removal.

S2 Steel Construction: High-strength alloy steel with HRC 58-62 hardness for exceptional durability and wear resistance.

Precision Machined: Ultra-precise tip design ensures perfect alignment and minimal slippage.

High Concentricity: Reduces torque loss and enhances efficiency during operation.

Common Specifications:

Tip Type: PH2 (Medium point, ideal for most applications)

Shank Diameter: 4mm (Compatible with 800/3C electric screwdrivers)

Length Options: Available in various lengths to suit different working environments.

PH Grading Guide:

PH1: Extra sharp tip (for delicate electronics)

PH2: Standard sharpness (most commonly used)

PH3: Blunter tip (for larger screws)

Performance Benefits:

Perfect Fit: Ensures maximum contact with screw heads to prevent stripping.

Industrial-Grade: Designed for professional use in electronics repair, machinery maintenance, and assembly lines.

Quick Magnetic Retrieval: Efficiently captures screws after removal, reducing downtime.