The Automann 7" Shackle Pin is the perfect solution for your heavy duty truck suspension needs. This shackle pin is made of durable steel or stainless steel to provide strength and load bearing capacity. It includes shackles, pins, bolts, nuts, washers and sometimes bushings. The nuts and washers are used to secure the pins or bolts in place, allowing your vehicle's springs to travel through a range of lengths as you drive over different terrains. This shackle pin is designed to provide superior performance and reliability, making it the perfect choice for your truck suspension needs. FleetPride is your First Click in Heavy Duty®.