Screwdrivers tool set for phone repairs, KS2408B-3 1. Material: Crv or High carbon steel 2. ... alum steelB.High quality tool set for phone, game set, computer repairs, assembling or disassemblingC. Complete size for different screwsD. including T4 ... Head : slotted, phillips, Torx, Hex Screwdrivers tool set for phone repairs, KS2408B-3