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. 43-piece magnetic screwdriver set consists of 8 Conventional screwdriver，6 Precision Screwdriver and 25 screwdriver bits.There are 5 different screw types including Phillips, Slotted, Torx, Hex and Pozidriv, 1 Magnetizer Demagnetizer Tools Magnetizer demagnetizer tool,Converts any tool blade to a magnetic retriever of screws, nuts and metallic particles. We have flexible socket extensions bar and Magnetic bit holder for the screwdriver bits that allow you to use them in complex situations. Ergonomic non-slip and soft handle which is made of pp+tpr materials, let you feel soft and comfortable at work.Each Precision screwdrivers has a 360 degree rotation that allows you rotate the screws smoothly. Equipped with a dedicated storage box for easy carrying. Meet your work needs, Suitable for all kinds of projects,electronics, computers, watch repair, jewelry repair, and fixing anything with micro screws.