D Z Strad Cello Bow - Model 756 - Carbon Fiber Bow with Ebony Fleur-de-Lis Frog Braided carbon fiber, fully nickel/silver-lined, round stick with Ebony frog and inlayed fleur-de-lis Carbon fiber stick is more resilient and less susceptible to changing environmental conditions than traditional wood Properly balanced for even playing response; produces a powerfully dynamic sound Traditional Frog made from Polished Premium Ebony Using advanced technology, it has excellent balance, powerful tone. The workmanship let it stand out from anything else in its price range.