Pirastro P345420 double bass string E-4 medium, rope core, chrome steelPirastro P345420 double bass string E 4 medium, rope core, chrome steel All strings are chrome steel wound on a uniquely designed and extremely flexible high tensile steel rope core. Tremendous projection and clarity, a powerful and focused low end gives way to a full, sophisticated upper register. Very consistent and precise pizzicato attack with an additional punchiness on the lower strings. Extremely energetic with very little effort and a juicy