Item Description This bow belongs to Advanced Model of YITAMUSIC Pernambuco Bow Series (see Quality Classification ). "A" level pernambuco, well air dried. Good strength/flexibility balance. Medium to Medium-heavy weight and offer good tone response and playability. Specifications | Size: Double Bass | Weight:145g | Frog: Ebony, Sterling Silver | Hair: "A" Level Mongolia Horse Hair | | Stick: "A" Level Pernambuco | Length:758mm | Frog Eyes: Single Eye | Stick Length (No Button): 692mm | | Model: Modern Bow | Balance Joint:285mm | Frog Slide: Abalone Shell | | | Shape: Round | Wrap: Leather | Button: One Part , Sterling Silver | Item Package A Pernambuco Double Bass Bow, #D55 |