Developed with and for Julien Martineau, one of the world's most famous mandolin players;Special string construction due to very thin string strength in combination with silver-plated bass stings on a nylon-multifilament core.;Normal Tension;Treble strings: stainless steel;Bass strings: Multifilament synthetic core, silver-plated copper wire ;e1: 111R, .0075“, Stainless Steel;a2: 112R, .010“, Stainless Steel;d3: 113R, .020“, nylon-multifilament, silver-plated copper wire;g4: 114R, .028“, nylon-multifilament, silver-plated copper wire ;