500mm long x 12.5mm wide black nylon cable ties. High quality, European made in Polyamide Nylon 6/6 with no metal parts making them both strong and stable in harsh environments as well as completely safe for electrical use. With a flammability rating of UL 94 Class V2 these tough, rigid and highly stable nylon cable ties can withstand even the severest of conditions. Our black cable ties are recommended for outdoor use as they contain 1% carbon black. Pack of 50.