juego de herramientas para el montaje de sistemas fotovoltaicos 7pcs wera 9524A 7 piece tool set for mounting photovoltaic equipment. 1 x 7442 torque screwdriver (pistol handle) for measuring area 3. 0 6. 0 Nm. A numerical indication of the torque. Reliable over slip and an acoustic signal when the preset torque is reached. 1 Rapidaptor 889 4 1 F bit holder with free rotation function for a particularly fast recovery movement without the hassle of having to interrupt the movement to turn to the right. 1 open end wrench and ring