The common cable tie, normally made of nylon, has a flexible tape section with teeth that engage with a pawl in the head to form a ratchet so that as the free end of the tape section is pulled the cable tie tightens and does not come undone.
4" (100MM) X 2.5MM - 100pcs
6" (150MM) X 3.6MM - 100pcs
8" (200MM) X 3.6MM - 100pcs
10" (250MM) X 4.8MM - 100pcs
12" (300MM) X 4.8MM - 100pcs