1,100% high tenacity polyester; 2,Elongation<7%; 3,Simple to use:pull to tighten & press ... use, and no damage for cargo.1, Material: 100% high tenacity Nylon;2, Manufactured to EN 12195-2 AS/NZS 43803, ... range:-40°c--100°c;5, Safety factor: 2:1 or 3:16, Elongation<7%Warning:1, Only use ... or cutting by using edge protectors and sleeves for sharp edges. good quality&competitive price 1" ratchet tie down