Product Features
• Cuts overtones, open string vibrations, and noise
• Perfect for live performance and studio recording
• Ernie Ball collaboration with Gruv Gear, creator of the world's best-selling string muters

Sizing Options
• SM - Fits 4-string basses, 6-string electric and acoustic guitars, and ukuleles
• MD - Fits 5-string basses & 6-string classical guitars
• LG - Fits 6-string basses, 7 & 8-string electric guitars