Fully Adjustable Tire Mount up to a 37" tire;Heavy Duty Billet Latch Mechanism;Built in Saftey Catch for those uneven parking situations;Solid D-Ring mounts welded inside and out;Class III receiver hitchThe rear bumper is manufactured out of 3/16 cold rolled steel and comes standard with a built in class III receiver hitch and two solid d-ring mounts that are welded on the inside and out for maximum strength.Bumper is designed to accept the Smittybilt Swing Away Tire Carrier #76654.The swing away tire carrier can be added to the bumper at anytime.