R. Cocco RC 4 De Exposed core Stainless steel round

.040 .060 .080 .100

Exposed core on E4 for increased sustain and clarity, In 1951, Richard Cocco Senior began to manufacture the finest handmade strings at the time when the first electric bass guitars were introduced. Fascinated by this new instrument, he developed the Cocco method of hand winding to ma...