Item Type: Viola Strings Set Material: Metal Suitable for: 4/4 viola Size: 1-4 Strings Thickness: Purple String: Approx.1mm/0.039in Blue String: Approx.0.75mm/0.03in Green String: Approx.0.57mm/0.022in Red String: Approx.0.4mm/0.016in Length: Approx.61cm/24in 1Different Color and Size: The color of these 4 strings are different, respectively are purple, blue, green, red, each with a length of approx.61cm/24in 2Good Replacement: The strings are easy to operate and convenient to replace, not easy to break, are ideal replacement for broken strings 3Clear and Warm Tones: The replacement viola strings can produce clear, warm tones and beautiful sound 4Excellent Metal Material: The viola strings are made of high quality metal material for long last durability and stable performance 5Applicable: The viola metal strings set are suitable for 4/4 viola, which are ideal for viola learners and players4 x ViolaStrings