3/4" D ring shackle is made of superior heavy-duty drop forged steel, with a 7/8" diameter pin, also an outer nut to avoid the fallen, the insurance pin provides additional protection The shackle achieves a 4.75T towing capacity and a break strength up to 19T and can be used with various facilities and vehicles This shackle is galvanized and powder coated, maintaining its strength and durability, also protecting it from rust and corrosion, perfectly fits any bad weathers Each shackle is equipped with 1 isolator and 2 thin and 2 thick rubber washers, provides more installation choices and bumper protection, also reduces noises 100% satisfaction. Please contact us if any unsatisfaction or quality problems, we are here to provide a perfect solution for you