The Redcat Racing 02063 Rear suspension arm Hinge pin is a set of two replacement parts designed specifically for RC model vehicles. Made by Redcat Racing, a reputable brand in the radio control hobby, these hinge pins are crucial components for maintaining proper suspension function in the rear of the vehicle. Perfect for hobbyists looking to replace worn-out or damaged parts, these hinge pins are essential for ensuring smooth and reliable performance during off-road racing or recreational driving.