"Charlotte™ infuses clean lines with classical elegance, deftly bridging the gap between traditional and modern design. Wood blocking is preferable behind all wall surfaces. If wood blocking is not available, the following fasteners are suggested: Tile/Masonry/Plasteruse plastic anchors provided. Plaster/Drywall-use medium duty plastic or toggle bolt anchors provided. Mounting hardware and mounting instructions included with product. Mirror can be mounted only with tilting mounting posts. One adjustable post with a rubber tip is supplied with mirror. Adjustable post can be used if desired to help hold mirror in a fixed postition. In order to install adjustable post, double sided tape is supplied on the backside of the post mounting plate."