The CSAR-T is a full size, working folding knife that was produced in collaboration between Buck Knives and TOPS Knives. It shows the best characteristics of both companies. It has the stout, solid engineering of the TOPS brand and the meticulous manufacturing of Buck. The CSAR-T features a hex opening that can take a bit/socket attachment. Attachments are not included, only the opening that can take one, but standard tools should work. It also comes with a high quality Nylon sheath. Handle measure 5" and the pocket clip is reversible.