PERFECT FIT: This J shelf brackets fit the nominal 1”x 8” and 2” x 8” (actual 7.25”) lumber board from Depot Home, measure 7.25” x 4” x 1.5”(broad is not included) HIGH QUALITY ...

Hovr brackets claim to support up to 300 lbs ... to fit wall bracket Shelf bracket I marked thelocations for the floating shelves (you can even convert these tobox shelves) with painters tape.