1,100% high tenacity polyester; 2,Elongation<7%; 3,Simple to use:pull to tighten & press to release 4,good ratchet and hook 4 packs 1" 1500LBS Tie DownsTie Downs are used for fixation cargo while transporting,shifting or moving,storage. After locking,no relax during transportation,safety,saving,light and easy to use, and no damage for cargo.1, Material: 100% high tenacity Nylon;2, Manufactured to ...