Hellermanntyton pacc clip for corrugated conduit pacc series hellermann tyton 166 25702 the hellermanntyton 166 25702 pacc21 is a clip for corrugated conduit from the pacc series the clip is quick and easy to install and is supplied with a through hole so that it can be fastened to the required surface with a screw the clip has been manufactured from polyamide 66 pa66 and issupplied in black hellermanntyton 166 25702 pacc21 helaguard conduit clip holder 21mm black