The D Z Strad Model 500 cello bow is fully silver-lined and made of select, high quality, dense Pernambuco. Featuring a octagonal stick and Ebony frog with Parisian eye inlay and abalone slide, the bow is properly balanced for an even response. The thumb grip is wrapped leather over silver lapping. Equipped with genuine white, unbleached Grade AAA Mongolian horsehair, the Model 500 is a great choice for intermediate to advanced players. The new generation of Model 500 D Z Strad bows is taking the next step to improve the playing and the sound of your instruments. They are completely handmade. The workmanship let it stand out from anything else in its price range.