D Z Strad Master Antique Pernambuco 4/4 Violin Bow E. Sartory A Paris Copy This Sartory copy is handmade by prize winning bow makers. Fast Response! Excellent balance. Perfect choice for any professional appearance,World Class Performance Expert wood selection, artistic cutting, and a jewel-like finish.Good for professional and serious players. Weight: About 61 +-1gram/2.15 OZ. if your off-the-string bowings are noisy and hard to control, then you should consider trying different bows.