Instant Tuning Stability This guitar string stretcher helps new strings stay in tune quickly by stretching them to their optimal tension, ensuring your instrument remains accurately tuned during and after string changes. General Compatibility Designed for ukuleles, acoustic guitars, and electric guitars, this versatile tool works with most stringed instruments, making it a practical accessory for musicians of all types. Sturdy ABS Construction Made from ABS, this string stretcher is lightweight yet sturdy, delivering reliable performance for long-lasting guitar maintenance tasks. Efficient and Easy to Use The simple, intuitive design lets you quickly stretch strings without hassle, saving time during string changes while improving tuning accuracy. Use scenarios - After installing new strings on an electric or acoustic guitar, use the stretcher to bring strings up to tension and stabilize tuning. - Re-stringing a ukulele at home to quickly settle tension before playing. - During routine maintenance or setup, to ensure strings hold tuning after installation and adjustment.