Adapter, with metric connection thread according to DIN EN 60423 and Pg internal thread according to DIN 40430, with knurled collar. External thread: M 32 Internal thread: Pg 21 External thread length: 8 mm Internal thread length: 11 mm Wrench size: 34 mm with connecting thread sealing ring 987M... (please order separately!) : IP68 Material: brass, nickel-plated