This Is A Custom Flemish Twist Bow String For Your Bow. These Are Great For Bowfishing And Hunting. They Are Very Quiet Compared To An Endless Loop String. These Are Stretched At 350 lbs and Served under That Tension To Help The Serving From Separating. All Strings Are Made With BCY 452X. Strings Come With Slicks, Brass Nock and Whiskers Free Of Charge.