... screwdriver set SpecificationWe have many different size and different heads to the screwdrivers, such as Hexagonal, Cross, Slotted, Y- ... type and so on. Detail discription1. Titanium Steel Handle, Made of original S2 steel, high-quality, hardness about 58HRC.2. Bearing ... Swivel Cap design, more easy to use2. Rubber ring design, anti-skiddingHow to use?Applicable to all branded mobile phones, MP3/4 ...