Wedge anchors are integral to many projects, providing a secure connection between walls, ceilings and other objects. They consist of two pieces – an anchor, usually made of steel, and a metal wedge which expands and locks it in place when tightened to the anchor. Wedge anchors are useful in outdoor applications where their rust-resistant properties keep them looking good and functioning effectively for years. As they can withstand tension and shear forces, they are often used to join heavy objects such as window frames or large wall decorations to concrete surfaces. As with all anchors, proper installation and maintenance are essential for maximum effectiveness.