red label Cello sets Model Number Strings Make Size Gauge Tension 6106 G,D,A,E Nickel 4/4 Soft 6107 G,D,A,E Nickel 4/4 Medium 6108 G,D,A,E Nickel 4/4 Orchestra Gauge 6105 G,D,A,E Nickel 3/4 Orchestra Gauge 6104 G,D,A,E Nickel 1/2 Orchestra Gauge 6103 G,D,A,E Nickel 1/4 Orchestra Gauge 6102 G,D,A,E Nickel 1/8 Orchestra Gauge red label Cello Single Strings Model Number Strings Make Size Gauge Tension 6116 A Nickel 4/4 Soft 30.1 6117 A Nickel 4/4 Medium 34.7 6118 A Nickel 4/4 Orchestra Gauge 33.8 6115 A Nickel 3/4 Orchestra Gauge 6114 A Nickel 1/2 Orchestra Gauge 6113 A Nickel 1/4 Orchestra Gauge 6112 A Nickel 1/8 Orchestra Gauge 6126 D Nickel 4/4 Soft 25.8 6127 D Nickel 4/4 Medium 29.4 6128 D Nickel 4/4 Orchestra Gauge 30.8 6125 D Nickel 3/4 Orchestra Gauge 6124 D Nickel 1/2 Orchestra Gauge 6123 D Nickel 1/4 Orchestra Gauge 6122 D Nickel 1/8 Orchestra Gauge 6136 G Nickel 4/4 Soft 25.5 6137 G Nickel 4/4 Medium 27.9 6138 G Nickel 4/4 Orchestra Gauge 31.7 6135 G Nickel 3/4 Orchestra Gauge 6134 G Nickel 1/2 Orchestra Gauge 6133 G Nickel 1/4 Orchestra Gauge 6132 G Nickel 1/8 Orchestra Gauge 6146 C Nickel 4/4 Soft 29.1 6147 C Nickel 4/4 Medium 28.1 6148 C Nickel 4/4 Orchestra Gauge 29.1 6145 C Nickel 3/4 Orchestra Gauge 6144 C Nickel 1/2 Orchestra Gauge 6143 C Nickel 1/4 Orchestra Gauge 6142 C Nickel 1/8 Orchestra Gauge 6156 E Nickel 4/4 Soft 32.8 6157 E Nickel 4/4 Medium 37.6 6158 E Nickel 4/4 Orchestra Gauge 42.8 6155 E Nickel 3/4 Orchestra Gauge 6154 E Nickel 1/2 Orchestra Gauge 6153 E Nickel 1/4 Orchestra Gauge 6152 E Nickel 1/8 Orchestra Gauge