Wera Tools - 7443/61/9 Assembly set for tyre pressure control systems9 piece tool set for the proper assembly and disassembly of tyre pressure control systems. Comes with torque technology for controlled screw tightening. Hand tool with multi component Kraftform handle for high working speeds and ergonomic working. Two pre set tools to connect the union nut with the screw and to fasten the sensor component to the valve. An adjustable Kraftform pistol handle for torque values of between 4. 0 and 8. 8 Nm. Two TX bits