... to use:pull to tighten & press to release 4,good ratchet and hook 4 packs 1" 1500LBS Tie DownsTie Downs are used ... . After locking,no relax during transportation,safety,saving,light and easy to use, and no damage for cargo.1, Material: 100% high ... webbing against abrasion and/or cutting by using edge protectors and sleeves for sharp edges. good quality&competitive price 1" ratchet tie down