.009 .013 .020w .027 - Set / Tenor Guitar 4-string Tuning ADGC A1, D2 plain Steel G3, C4 Silver-plated wound on steel core Clean and crisp tone Specifically made for Tenor Guitars using steel strings tuned A to C. String Gauges: .009, .013P, .020W, .027. Made in the USA with American Wire. Packaged using MAP Technology (Modified Atmosphere Packaging) to prevent tarnishing and ensure freshness. (...)  

.010 .014 .022w .032 - set / Tenor Guitar (4-string) A D G C with ball end A1/D2 - Plain Steel G3/C4 - 80/20 Bronze Wound Medium Tension D'Addario Tenor guitar strings are made specifically for steel string Tenor Guitars. J66 Tenor Guitar strings are made from Plain Steel and 80/20 Bronze wound strings which provide a bright tone.