Quality Chain has been a trusted manufacturer of industrial and traction grade chain products for many years. They use only the highest quality materials to ensure durability and resilience in every product they make. Their quick hooks are inspected and tested in-house via a rigorous quality control test to verify integrity. Quick hooks are designed to connect the chain side rail together on the back side of the tire. Both chain ends are inserted into the opening of the hook. These hooks are designed to be crimped shut to ensure that the chain will remain in place. | Quality Chain Corp 9/32" 9mm Side Chain Hook Replacement