Nails and spikes are fasteners that are driven into a surface and provide holding power to attach one item to another. Nails handle shear loads better than screws and are easier to install, making them ideal for construction. Nails are loose-pack fasteners that are driven into wood and other building materials with a hammer to hold them together. Collated nails come in strings or strips and are designed for use with a nail gun. Spikes are larger nails meant for use holding larger items in place or anchoring landscaping fabrics. U-drive screws for masonry hammer into softer materials and secure items using highly angled threads.