Hellermanntyton acessories for retaining the helawrap open cablecover hwclips hellermann tyton 161 64006 the hellermanntyton 161 64006 hwclip20 is part of the helawrap hwclip accessory set the 20mm clip sits snugly around the helawrap cable cover and holds it firmly thanks to the innovative coupling system the clip can be joined to a mounting plate or another clip of any size many clips can be linked together and each can turn freelyas a result any number of differing cable sizes can b