The REL250-NAT(100 PACK) is a Cable Tie inside serrated with kick-down lever. It is made of UV-resistant polyamide 6.6 (PA66) and ideal for use in applications where there is the need to repeatedly open and close the tie. The specially designed unique release mechanism makes this releasable and reusable tie one of the easiest to operate, it can be quickly and simply opened with one hand.