Space saver extraordinaire When you don't have room for a backdrop stand or you want a permanent solution, the triple brackets get your backdrops up and out of the way. There's room for three rolls of paper. Backdrops made simple Pick up a set of our hand-operated lifting shafts and you've got the perfect combo. Easily secure it to studs or use concrete anchors for block walls. Mounting This bracket set can be mounted vertically on a wall or horizontally on a ceiling. It comes with 4x concrete anchors, or use wood screws and be sure to hit a stud. If you can't hit a stud on your spacing, run a 2x6 board across your wall, hit the studs on that and then mount the brackets to the 2x6. Concrete Anchors:12mm diameter for sleeve61mm longHole Size in Bracket:2x 8.4mm4x 6.4mm Includes -2 x Triple brackets-4 x Concrete anchors