D Z Strad Double Bass Bow - Model 623 - Braided Carbon Fiber Bow with Ebony Fleur-de-Lis Frog (French Style) Braided carbon fiber, fully silver-lined, round stick with premium polished Ebony frog with Fleur-de-Lis Carbon fiber stick is more resilient and less susceptible to changing environmental conditions than traditional wood Equipped with genuine white, unbleached Grade AAA Mongolian horsehair Properly balanced for even playing response; produces a powerfully dynamic sound The workmanship let it stand out from anything else in its price range. This viola bow boasts exceptional performance for intermediate to advanced players.