Middle Jaw, Connection Type/Size 2 3/4 in Corrugated Tubing, Compatible Nominal Size 2 3/4 in, Corrugated Tubing Fitting Material Polyamide 6, Fitting Length 1.65 in, Nominal Size 2 3/4 in, Tubing Size 2.756 in, Yes, For Use With Tubing Profiles F, G, and M, Description/Special Features Inside Ridges to Hold Conduit, Corrugated Tubing Fitting Color Black, Self Extinguishing Yes, Standards ASTM D 2863, DIN 53474, EN 60695, ISO 179/1eA, ISO 4589, ISO 527, UL94