Plastic degrades and becomes brittle and weak when exposed to heat and UV rays. Also this particular design features a difficult-to-install set screw and clamp that is easy to lose. (note it is missing in the second bracket.) The bracket is bulky creating a light gap along the top of the rail. | EcoSmart Bracket features Stainless Steel for long life durability. It does not deteriorate with sun and UV exposure. The blind simply snaps into place for easy removal and re-installation — no parts to lose. Its low profile minimizes any light gap along the top of the headrail. |