Description de chez Amazon USA : - Brazilwood, fully silver-lined, Ebony frog with Parisian eye. Traditional Frog made from Polished Premium Ebony - Equipped with genuine white, unbleached Mongolian Grade AAA horsehair - Properly balanced for even response and consistent projection - The workmanship let it stand out from anything else in its price range. They are completely handmade. - The new design of the D Z Strad bows is taking the next step to improve the playing and the sound of your instruments.