Real carbon fiber bow Ebony frog, horese hair Great flexibility and balance Features:Stick: black carbon fiberHair: horse hairFrog: nickel silver mounted ebony with mother-of-pearl eye and slideWinding: imitation whale boneGrip: goat skinButton: three-part, nickel silverWeight: 59g-61g Size: 4/4, 3/4, 1/2, 1/4, 1/8 Popular Carbon Fiber Violin Bow (QH-1609)