These Heavy-Duty Re-Tractable Ratcheting Tie Downs by Erickson feature an easy-to-operate patented design. Simply pull the web out to the desired length and start ratcheting until tight. To release, simply push down on the red release button. Store the web not in use in the center housing to keep the straps clean and free from oil and dirt. 1" wide tie down is rated at 1,500 pounds with a Working Load Limit (WLL) of 500 pounds and the 2" wide model is rated at 4,000 pounds with a WLL of 1,333 pounds. Sold in pairs.