Defense Safety Ring – Tenacious

The DSR (Defense Safety Ring) is designed as a product enhancement for the SPYDERCO TENACIOUS (TM) series knives. You purchase your own DSR remove a few screws and replace the rear spacer with the DSR SPY-10. Now your Spyderco is an instant deployment knife (with Thorn*) with retention and endless possibilities. Made in the United States of America on the Western Slope of Colorado out a strong steel reinforced Chopped Carbon Fiber/ Nylon material.

DSR SPY-10  is made with state of the art additive manufacturing on the Western Slope of Colorado. The material has a melting point of over 500 degrees and a heat deflection rating of about 300 degrees. It is ready for duty use.

*KNIFE AND THORN NOT INCLUDED