"Abbott triangle tombstones are made of Tenzaloy\u2122. They provide a practical, inexpensive and lightweight means of holding work accurately in a vertical or horizontal application for CNC machining operations. They can be mounted directly on a machine table\/pallet or used in conjunction with a rotary table. Abbott tooling columns are available in multiple configurations built to any height, width and thickness dimensions required for your application. In addition, base sizes can be customized to fit any machine pallet."