1. Multi-Bit Screwdriver Set This set comes with 40PCS S2 magnetic chrome-molybdenum alloy steel bits, with a bit diameter of 6.35mm (1/4), suitable for home improvement projects rather than fine-tuning tasks with 4mm bits. The continuous heat treatment process ensures hardness without brittleness and excellent toughness. It includes 32PCS 25mm short bits in various types such as PH (4), SL (4), Torx (10), Hex (9), PZ (3), and U-shaped (2), as well as 8 long bits measuring 45mm, fulfilling professional needs for home life, work, DIY, and repairs in any scenario. 2. Aluminum Alloy Handle This ratchet screwdriver features a detachable aluminum alloy handle, allowing easy use in tight spaces. The ultra-hard thermally forged aluminum alloy, combined with precision CNC molding, ensures durability and oxidation resistance. With the hardness comparable to common steel but half the weight, it provides a comfortable grip for extended use without fatigue. 3. Effort-Saving Ratchet Design The aluminum alloy handle multi-bit screwdriver incorporates a 6.2-degree ratchet mechanism for effort-saving, with a 58-tooth reversible ratchet structure that reduces effort by 80%. With a torque of 50N.m/50KG, it allows easy handling of all household appliances or tools for repairs, tightening or loosening screws, saving time and energy without the need to adjust wrist positions. 4. Multi-Functional Handle The multi-functional handle serves as both a screwdriver and a small wrench, ing seamless switching and multiple functions for versatile applications. It can efficiently handle various tasks, including home appliance repairs, power tool usage, and automotive maintenance. Additionally, the handle is equipped with a powerful magnet that securely holds the hex bits.