System Support Connection Type/Size 7/16 in to 1/2 in Corrugated Tubing Compatible Nominal Size 1/2 in 7/16 in Corrugated Tubing Fitting Material Polyamide 6 Fitting Length 1.1 in Nominal Size 1/2 in Tubing Size 0.551 in 0.669 in Chemical Resistant Yes For Use With Connecting Pieces Rail Clips Tops Tubing Profiles F G and M