This Model 17 Astro by Randall features a satin finished spear point blade with false top edge, .236" blade stock. 1.392" blade depth, full tang construction. Black linen micarta scales, fastened with removable stainless steel bolts. A slot in the heavy tang and matching hollow inside the handle may be used to carry matches, fishhooks, line and other survival items. The Model 17 was especially designed for the seven Mercury astronauts, who carried them on America's first manned space flights. Astronaut Gordon Cooper did the final design, and two of these historically valuable knives are on display in the Smithsonian Institution. Includes brown leather sheath with stone. Excellent condition.