This Faithfull Instrument Precision Screwdriver Set is ideal for watchmakers, model makers, instrument technicians, opticians. Electrical and precision engineering shops and many other applications where fine adjustment, along with speedy removal and setting of fixings is required. The revolving body to permits single-handed use while leaving the other hand free when working on small items. The mini set consists of seven precision soft-grip screwdrivers designed for use on small screws. Each screwdriver features a chrome vanadium steel blade with a black tip. The set comprises: 2 x Slotted: 2.5 x 50mm, 3 x 50mm.2 x Phillips: PH00 x 50mm PH0 x 50mm.3 x Torx Star: TX8, TX9, TX10.