31 in 1 Screwdriver Tool Repair Set For Mobile Phone Electronic Device. Made of chrome alum steel. Exact fit precision machined tips. Ideal for your telecommunication tools. High quality precision telecommunication tools. Professional screwdrivers allow you to open cover of mobile phones easily and without damage to the phone cover. Able to open mobile phone, PDA housings, PSP, NDS, MP3 player, etc. Buy this 31 in 1 Screwdriver Tool Repair Set For Mobile Phone Electronic Device Now $11.99.