The Powers Suspension Anchor Hook Bolt 8mm X 45mm with model number HB8045 is a high quality product. It has a precision stamped tubular expansion sleeve and is suitable for ceiling and partitioning applications. Hook bolt sleeve anchors have a hook head suitable for hanging application.The Powers Suspension Anchor Hook Bolt 8mm X 45mm is a high quality product. It has a precision stamped tubular expansion sleeve and is suitable for ceiling and partitioning applications.