Material: Cr-V/Carbon SteelHead: Phillip/Torx/Slotted etc.
Product Detail:
45 PC Precision Screwdriver Bit Set
1) 35 PC 4mm Chrome Vanadium Steel Precision Bits, Chrome Finish
2) 1 PC Universal Extension Bit Holder
3) 1 PC Ratcheting Bit Driver
4) 1 PC 150mm Extension Bar
5) 7 PC 3mm Carbon Steel, Heat treated socket
6) One Key Opened Plastic case
7) Ideal tools for repairing smartphone, computer,ipad etc.eletronic products