Uxcell 4 Pcs Adjustable Blind Shelf Floating Support Invisible Brackets 76 X 20 X 100Mm

Specifications:Material: IronShaft Diameter: 12mm / 0.47".Size(Approx.): 100 x 76 x 20mm / 3.94" x 2.99" x 0.79"(L*W*H)Mounting Hole Size: 13 x 7mm / 0.51" x 0.28" (L*W).Mounting Hole Distance: 54mm / 2.1" Package Content: 2 Pcs x Concealed Bracket INSTALLATION GUIDETools:1.Every bracket will need screws x2, anchors x2, washer x2. (All are not included)2.You need to have Level, Drill, Electric Screwdriver, Hammer. (You may need drill press if the shelf is DIY) STEP:1.Drill holes on wall - You should use level to mark cross on the wall to make sure you drill the holes in the right place.2.Install the bracket - You can use washers to help the bracket install tightly. Electric screwdriver is highly recommended.3.Adjustment - Slightly adjust the rod and height of bracket .4.Insert the shelf - Just simply put it in, what is more important is to prepare slot for the bracket. Not only for the rods, but also for hole bracket.