GWS-SN : 13 3/4" Glass Shelf with Rail Satin Nickel Dimension 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 Craw Anchors into Holes . 3. Attach Bases Using Included Stainless Steel Screws. 4. Insert Glass Sheaf into Bases.