Ratchet tie downs heavy-duty - contractor/industrial. Provides maximum tension for demanding tie-down applications. Double J-hooks attach to anchor points for outstanding ease of use and versatility. Designed to remain tough even when subjected to weather and abrasion. A spring-loaded release mechanism ensures that the ratchet will never open accidentally. Steel double-J hooks attach to most anchor points and side rails. Recommended for flat bed trucks and trailers. Hi-Test, abrasion resistant webbing exceeds rated capacity and withstands the most demanding applications.