The versatile masonry anchor, better known as the sleeve anchor, rely on the principle of expansion to securely fasten into building material. Tightened by pulling the stud through the sleeve and wedging itself into the surface, these anchors grip to most building materials to retain a strong hold. Sleeve anchors receive their praise for their use in a variety of base materials including cement, concrete, brick and block. For applications dealing with decking, door frames and light fixtures. Since sleeve anchors have more bearing surface, they work well in soft concrete, helping to reduce the concrete stress.