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. This item has been restricted from sale in the following state (s): []