Precision screwdriver assortment, 7 pieces. The optimal tools especially for the smallest screws in electronic and electrical components, radio and stereo systems, telephone systems and all communication connections, for precision mechanics, electronics, model making and similar fine sensory work. Blades made of special steel, color coding ring for identifying the screw system. For slotted screws: 1.0x0.18x40 mm, L: 140 mm (-Article no.: 11 1860), 1.2x0.25x40 mm, L: 140 mm (-Article no.: 11 1861), 1.8 0.3x60 mm, L: 160 mm (-Article no.: 11 1863), 2.0x0.4x60 mm, L: 160 mm (-Article no.: 11 1864), 2.5x0.4x75 mm, L: 175 mm (-Article no.: 11 1865), 3.5x0.6x100 mm, L: 100 mm (-Article no.: 11 1868), 4.0x0.8x150 mm, L: 250 mm -Article number: 11 1870)