For Gypsy Jazz/Manouche/Maccaferri-Guitars (Scale 670mm);Brilliant, clear, strong sound;Especially made for hard strokes;Steel core wound with silver-plated copper wire;2 different versions (ball and loop end);1510 Argentine Manouche/Gypsy extra-light .010-.045w with loop end;e1: .010“, 7.4kg/16.3lbs;h/b2: .014“, 8.1kg/17.9lbs;g3: .022“, 11.7kg/25.08lbs;d4: .028“, 10.7g/23.6lbs;A5: .036“, 9.5kg/21.0lbs;E6: .045“, 8.4kg/18.5lbs;Set tension: 55.8kg/123.1lbs;