Hellermann tyton helagrip cable and wire marker cassette hellermann tyton mhg2 5cass the helagrip cable and wire marker cassette 2 5mm is a handy pocket sized cassette style dispenser which will make it easy for use on site work each kit contains the most commonly used symbols hellermann tyton mhg2 5cass helagrip cable and wire marker cassette 2 5mm