Hellermann tyton cable glands m12m16m20sm20 m25m32m40m50m63 hellermann tyton ngm20s blk this black m20s cable gland 6 12mm from hellerman tyton has been designed for connecting cable to electrical equipment apart from steel wire armoured cable and is compatible with a wide range of applications included within the cable gland is a lock nut washer body seal and sealing nut cap manufactured with nylon 66 materialone of the advantages when using this dome headed cable gland