Anchors are heavy-duty and used to attach bulky items to materials such as concrete, brick, stone, and plasterboard. They form a solid and long-lasting hold and are suitable for use across the manufacturing and commercial sectors as well as in domestic settings. Hollow wall anchors are especially useful when fastening objects to a hollow wall, biting into the cavity, and spreading within it to get a solid enough fix that, once fully expanded, cannot be pulled back through the hole. Most designs have a purpose-built recessed head to ensure a straight and reliable drive, plus anti-rotation teeth to help prevent spinning during insertion. Anchor fixings come in a selection of materials and sizes to accommodate a variety of jobs.