Premiere Artist Model CF Cello Bow 4/4 Size Artist Model CF Cello Bow 4/4 Size "The Premiere Artist Model Carbon-Fiber (CF) Cello Bow features advanced carbon-fiber technology to produce a bow that performs comparable to pernambuco at a fraction of the cost It has a fully-lined ebony frog and horsehair, providing the advancing student with superior performance, consistency, reliability, resiliency, and durability " "The Premiere Artist Model Carbon-Fiber (CF) Cello Bow features advanced carbon-fiber technology to produce a bow that performs comparable to pernambuco at a fraction of the cost It has a fully-lined ebony frog and horsehair, providing the advancing student with superior performance, consistency, reliability, resiliency, and durability