The Floating Shelf SpeedBraces supports are a professional solution for fully concealed floating shelves. Its simple and heavy-duty design makes installing floating shelves easy, fast and accurate. The braces have multiple screw hole locations, allowing these braces to be easily mounted to wall studs. It’s available in two sizes. The 17” brace can hold up to 83lbs and the 33” brace can hold up to 125lbs.