PMAFIX NVNZ Straight Strain Relief Fitting - Metal Metric Thread - Thread Size M50x1.5 - Fitting Material Polyamide 6 - Color Black - Thread Material Nickel-Plated Brass - Sealing Insert Material CR/NBR - Gland Body Material Polyamide 6 - Conduit Size NW48 - Cable Clamping Range 24.0 - 35.0mm - Thread Length 9mm - IP66, IP68 & IP69