D Z Strad Carbon Fiber Violin Bow Model 550 Silver Mounted with Ox Horn Fleur de Lis Frog 4/4 full size carbon fiber violin bow. The workmanship let it stand out from anything else in its price range. They are completely handmade. The workmanship let it stand out from anything else in its price range. They are completely handmade. Equipped with genuine white, unbleached, mongolian grade AAA Horse Hair Properly balanced for quick response and resiliency. Premium Fleur de Lis Frog made from Polished Ox Horn. The new design of the D Z Strad bows is taking the next step to improve the playing and the sound of your instruments.