Benchmade Knife Company is proud to donate a portion of the proceeds from the sale of these knives to the Ranger Assistance Foundation. D2 tool steel (60-62HRC) Drop-point blade style with serrations on spine Injection-molded sheath with secondary locking strap and tension screw The Adamas? series of knives was designed by custom knife maker Shane Sibert to honor the courage and commitment exhibited by our fighting heroes. Benchmade? Knife Company is proud to donate a portion of the proceeds from the sale of these knives to the ranger assistance foundation. For detailed product specifications please visit Benchmade.com/Adamas.