Foemey 3 Sets Guitar Strings Replacement Steel String for Acoustic Guitar (1 Brass Set, 1 Copper Set and 1 Multicolor Set)

String diameters: 1: 0.2 mm/ 0.007 inch; 2: 0.3 mm/ 0.01 inch; 3: 0.6 mm/ 0.02 inch; 4: 0.7 mm/ 0.027 inch; 5: 1 mm/ 0.039 inch; 6: 1.2 mm/ 0.047 inch Material: steel, with rustproof coating for use; Length: each guitar string is . 90 cm/ 35.4 inch Suit for: colored guitar strings are helpful for the guitar beginners to remember and practice; Also fits for guitarist to make their acoustic guitar look beautiful and awesome