Features:* Made of a large amount of chrome vanadium steel, high hardness and long service life.* High hardness and good toughness and resistance.* 34-in-1 set to meet our different repair needs, portable size, easy to carry and store.* Organized in a compact carrying case, easy to transport and store, clean and organized.* Simple repair tools to repair and maintain electronic devices, electrical and mechanical.* Great for automotive, electronic, outdoor, professional and home applications and so on. Specifications:Product Name: Screwdriver SetMaterial: Chrome Vanadium SteelColor: As Picture Shown Upper: 1/4" HexSuitable for: Electronic, Electrical and Mechanical Repair and Maintenance Quantity: 34pcs/set Package Contents:34pcs/set Screwdriver Set Note:1. Transition: 1cm=10mm=0.39 inch.2. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.3. Please allow slight manual measurement deviation for the data.