146-piece Magnetic Screwdrivers Set Plastic Racking, DIY Tools Set Tools for Men About this item ?PREMIUM MATERIALS? : Screwdriver bar made of 6150 chromium vanadium steel, stronger and tougher than most carbon steel?it is chromium plating treated for corrosion resisted and nice appearance. ?MULTI-PURPOSE SIZES? : 146-piece Magnetic screwdriver set consists of 15 Conventional screwdriver, 4 insulated screwdriver, 12 Precision screwdriver, 9 Hex key, 9 Star key, 10 Nut Driver, 2 Offset Screwdriver, Voltage tester, Ratchet Handle, Magnetizer, Flexible Bar, Bit Holder, 20 Precision bits and 60 Screwdriver bits. ?18 HEX KEY STAR KEY? : Made from Industrial Strength Cr-v steel in a Beautiful Chrome, Tamper Proof Star Torx: T10-T50, Hex Key: H1.5mm-H10mm ?ERGONOMIC DESIGN? : Ergonomic non-slip and soft handle which is made of pp+tpr materials, let you feel soft and comfortable at work. ?DIY TOOLS FOR MEN TOOLS GIFT?: Durable plastic racking shelf for well organization, 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.