1. LABORSAVING RATCHET DESIGN: This aluminum alloy handle multipurpose screwdriver adopts a 6.2degree ratchet laborsaving design, 58tooth forward and reverse ratchet structure, saving 80% of labor. The torque is 50N.m/50KG, and there is no need to adjust the wrist position 2. MULTIBIT SCREWDRIVER SET: Equipped with 40 PCS S2 magnetic chromemolybdenum alloy steel bits, the bit diameter is 6.35mm (1/4), including PH (4 pieces), SL (4 pieces), Torx (10 pieces), Hex (9 pieces) and PZ (3 pieces), Utype (2 pieces), 8 45mm long bits, to meet professional use needs 3. STURDY ALUMINUM ALLOY HANDLE: The aluminum alloy detachable handle structure can be easily used in various narrow spaces. Super hard hot forged aluminum alloy, assisted by highprecision CNC onepiece molding, ensures durability and oxidation resistance 4. MULTIFUNCTION HANDLE: The t handle of the small screwdriver set is equipped with multiple functions, allowing for versatile transformations to adapt to various situations. With just one tool, it can efficiently accomplish a wide range of tasks