7.5”, Black Screw Mount 50lb Cable Ties, Bulk 1000 Pack
https://hotfix.nsiindustries.com/product/7-5-black-screw-mount-50lb-cable-ties-bulk-1000-pack/
PowerGRP cable ties are guaranteed rugged and powerful, with professional-grade strength and a self-locking design. The traditional serrated locking mechanism provides a secure grip and the bent tip allows for easy insertion