Flexible Ratchet Handle Design - The handle features a detachable structure, allowing for various combinations and multifunctional adjustments to fit different situations, like using in narrow spaces. The ergonomic aluminum handle design is lightweight yet rugged, crafted from hot-forged aluminum alloy with high-precision CNC molding for durability and oxidation resistance. Its lightweight construction ensures ease of handling, making it perfect for extended use without fatigue. | Effortless Ratcheting Mechanism - Equipped with a 6.2-degree ratchet and 58-tooth forward-reverse ratchet mechanism, offering 80% effort savings. With a 50N.m torque, Bomivoi ratcheting screwdriver set tool makes it simple to tighten or loosen screws without wrist adjustments, saving time and effort in every repair job. | 42-in-1 Screwdriver Set - Bomivoi handy screwdriver set includes 40PCS S2 magnetic chromium-molybdenum alloy steel bits, featuring a 6.35mm (1/4") diameter, one handle, and a magnetic slot. the bit driver set comprises 32 short bits (25mm) and 8 long bits (45mm), including various types like PH, SL, Torx, Hex, PZ, and U-shape. Ideal for home, work, DIY projects, professional task, and repairs, providing the right tool for any task. | Strong Magnetic & Easy Identification - Features a magnetic handle for secure bit placement and a convenient magnetic slot within the case to recharge the bits’ magnetism as needed. Color-coded bit rings ensure quick and easy identification, improving work efficiency and simplifying organization. This magnetic screwdriver set effectively tackles various tasks, including home appliance repairs, home funiture repairs, and automotive maintenance. | Compact Case, Perfect Gift Choice - Housed in a sturdy, compact storage case (6.6 x 3.7 x 1.6 inches, 15.6 oz), this mini screwdriver set is an excellent gift for professionals and DIY enthusiasts alike. Whether for furniture, electronics, appliance, computers, motorcycle or bike repairs, it's a practical present for Christmas, holidays, birthdays, Father's Day or any special occasion.