Criterion C520S CRITERION ACOUSTIC GUITAR, PHOSPHOR BRONZE – LIGHT C520T CRITERION ACOUSTIC GUITAR, PHOSPHOR BRONZE – EXTRA LIGHT C500M CRITERION ACOUSTIC GUITAR, GOLDEN ALLOY – MEDIUM C520M CRITERION ACOUSTIC GUITAR, PHOSPHOR BRONZE – MEDIUM C500S CRITERION ACOUSTIC GUITAR, GOLDEN ALLOY – LIGHT C500T CRITERION ACOUSTIC GUITAR, GOLDEN ALLOY – EXTRA LIGHT C500TT CRITERION ACOUSTIC GUITAR, GOLDEN ALLOY – SUPER LIGHT