Precision made engineering quality. No more endless searches in your toolbox to find the right screwdriver! magnetised heads, hex shafts, hex ends and a very comfortable handle this set will give you limitless combinations Chrome vanadium High quality precision screwdriver set to fit many needs for assembly or disassembly.It contains everything you need for household appliances,repairing laptops,smartphones,and other electronic devices. This is a high quality Screwdriver Kit,high precision screwdriver head,the high-end steel(chrome vanadium steel) by special heat treatment.