Nylon Cable Tie with Metal Stopper: made in UL approved PA66,94V-2. a metal stopper attached in the hole of head part. CE,ROHS Material: UL-approved Polyamide 66, 94V-2. Heat resisting, erosion control, insulating and not apt to age.Free from halogen,phosphor and calcium, friendly to earth (UL file: E223722).Operation temperature: -35oC to 85oC.Colors: natural (white, standard color), UV black, ...