Stringjoy BAL9 Nickel Wound Electric Guitar Strings, (Super Light Gauge - 9-42) STRINGS WONT STAY IN TUNE? Look no further. Were obsessed with quality control  every string we make is inspected by 3 different people so that we can guarantee your strings will resonate, intonate, and stay in tune. THE SMOOTHEST STRINGS YOULL EVER PLAY! Hows that? Science, thats how. Every Stringjoy electric guitar string set is mathematically optimized to balance tension, and give you a smooth, even performance across the entire fretboard. INCONSISTENT TONE? Yuck. Weve got you covered there too. Our strings have a full, warm sound thats quick to hit the sweet spot, and stays there for longer  so every time you pick up your guitar, itll sound the way you want it to. MADE WITH LOVE IN THE USA. Every set of Stringjoy electric guitar strings is wound by real human hands in the USA, using all-American bronze and steel. INDUSTRY-LEADING CUSTOMER SERVICE! We 100% Guarantee that youll love our strings  or your money back! You can buy today with confidence, because if anything ever goes wrong, weve got your back. No ifs, ands or buts.