Fine Quality Bay Fine Strings brand pernambuco bows stamped Atelier BFS (Studio Bay Fine Strings) roughed out in the workshop of JianFeng Lee in Ningbo, China, then finished by the master himself. This model is based on Francois Xavier Tourte, the originator of the modern bow and greatest 19th century maker. High grade pernambuco, superb worksmanship, fully lined frogs, fine silver mounting, fine cambering presents a great performing bow at its price point for musicians of all skill levels. This Tourte model weighs around 80 grams.