AUTMATCH kit includes two special 3/4-inch D-ring shackles designed for towing. The set includes shackles that ensure secure fastening of towing elements and prevent the unwinding of the towing rope. The maximum allowable load is 41,900 pounds. They can be used with SUVs, pickups, and other vehicles intended for towing. The components are made from special carbon steel and coated with paint that protects against corrosion. The kit also includes polyurethane isolators and washers that reduce vibrations and noise, serving as spacers to help avoid metal deformation.