Gruv Gear - Fretwraps Metals - String Muters Titanium - Small

SM - Fits 4-string basses, 6-string electric and acoustic guitars, and ukeleles
MD - Fits 5-string basses, 7-string electric guitars & 6-string classical guitars
LG - Fits 6-string basses &  8-string electric guitars
XL - Fits 7- to 12-string basses, Chapman Sticks, double basses & other extended range guitars