G CS-RB : Glass Corner Shelf with Rail Rubbed Bronze Dimension e Top View Front View 50 View Installation for Drywall and Tile: 1.Using Included Template, Mark Screw Positions. Use Level to Ensure Screw Positions are Level. 2. Insert Screw Anchors into Holes . 3.Attach Bases Using Included Stainless Steel Screws. 4. Insert-Class Shelf into Bases. 5. Tighten White Fixing Screws on Bottom of Bases.