Lutze TOP-T flanged hexagonal locknut, M12x1.5, Black RAL 9005. Polyamide 6 with 30% glass fiber reinforcement. Flange imprinted with the locknut size for identification. Secures plastic cable fittings and accessories through a panel wall. Temperature range -20C to +100C permanent. Sold each; supplied in boxes of 50. LPM12B