Alexander Rose AnchorsAlexander Rose Bench anchors are used to add stability and security for your furniture. The soft ground anchor kit avoids the need for concrete. Installation is quick and easy without any mess. The set comes with solid brass plates that screw on to the outside legs. These have sleeves to allow the anchors to pass through and penetrate the surface. When an anchor approaches its maximum depth (500mm) a curved fluke is released to grip the bench further