Precision pin wrench, for hexagon socket screw, SW 0.9 x 40 mm, length 140 mm
Precision pin wrench for hexagon socket screws: SW 0.9x40 mm, length: 140 mm. The optimum tool especially for the smallest screws on 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-coded ring for identifying the screw system.