Screwdriver tool set for phone repairs, KS2408A-2 1. Material: Crv ... carbon steel 2. Head: all kinds 3. Size: 14 type Screwdriver tool set for phone repairs, KS2408A-2Goods descriptioin:A. Made ... : Crv steel / High carbon steelscrewdriver Head : slotted, phillips, Torx, Hex Screwdriver tool set for phone repairs, KS2408A-2