20. The brackets were made out of 1⁄8-inch plate and the spacer is a short piece of 5⁄8-inch aluminum rod drilled 3⁄8-inch for the bolt. The adjuster rod is 1⁄2-inch steel rod, but aluminum could also be used. The Heim joints were purchased at a local hardware supply store. A little bit of paint and the parts will be ready for final install.