Master Mechanic, 5 piece, precision torx screwdriver set, precision screwdrivers for those tiny fasteners, perfect for assembly & repair of Electronics, jewelry & precision components using 6 internally star shaped fasteners, set includes 1 each of the Following: T5 x 1-1/2", T6 x 2", T7 x 2", T8 x 2-1/2 inch & T9 x 2-1/2".