why doesnt anyone make this?

so, look at this
a little U profile, 6 inches long
3/4 in between the legs, and 3/4 inch long legs...maybe a whole inch

in the center is a hole, through both legs, and a speed nut, nutzert whatever you call it on there


this will slide over an the edge of the drywall and allow you to install a vent register in the ceiling, pinching the drywall and spreading the load and allowing you to install it without ripping out the drywall

so WHY DOESNT ANYONE MAKE THIS?

u_profile_-_polycarbonate_mini.jpg