This product is a 4-inch adjustable mounting bracket that comes with an end cap, lock bolt, and hardware. It is universal, except for single axle fenders, and measures 33 inches in length, 8 inches in width, and 4 inches in height. The adjustable mounting bracket is practical and easy to use, making it a great addition to any project. With its sturdy construction and versatile design, this product is perfect for anyone looking for a reliable and adjustable mounting solution.