Replaceable Screwdriver Bits With Sturdy tool box 66-Piece

【TOP MATERIALS】: Professional screwdriver kit - Made of S2 Alloy Steel, high-end tool steel, the top material in screwdrivers. Excellent impact resistance provides ultra-high torque and hardness, and its strength and toughness and other comprehensive properties far exceed those of chrome vanadium steels.【ERGONOMIC DESIGN】：Triangle stereo handle designto prevent rolling,endowed with magnetic,the handle conforms to the design of human body mechanics,hang hole design【MULTI-PURPOSE SIZES】：5PC phillips screwdrivers，5PC slotted screwdrivers，4PC torx screwdrivers，9PC precision screwdrivers，1PC 40 in 1 screwdriver，1PC Magnetize&demagnetize，40PC Bit set【SCREWDRIVER SET WITH CASE】：All products are contained in plastic toolboxes,for easy storage and use【DIY TOOL GIFT】：Whether you are a mechanic or a DIY enthusiast, Meet your work needs, It can be widely used in most projects such as home appliance maintenance, furniture assembly, automobile repair and so on. excellent for everyday use. excellent materials and excellent craftsmanship ensure long-lasting durability.