Features: Precisions Tuning Experience: Featuring high precisions metal fine tuners, this violin peg ensures perfect pitches accuracy every time. Solves the slipping issue of traditional tuners, giving performers confidence on stage or during practice. Ideal for professional players and music enthusiasts. Metal Construction: Made from premium metal with excellent wear resistance for long lasting performances. Designed for quality focused violinists, it withstands daily practice and important performances without frequent replacements. Wide Compatibility: Fits 3/4 4/4 and 1/4 violins, solving installation issues due to mismatched sizes. Perfect for musicians with multiple violins, offering versatile use with set of accessories. Quick Installation: Easily attaches and detaches within seconds without tools. Ideal for musicians who need frequent adjustments or travel with their instruments, saving setup time. Stable & Rust Resistant: Black coated for corrosions resistance, maintaining appearance and function in various environments. Performs reliably indoors or outdoors, meeting demanding usage needs. Specifications: Substance: Metal A Size: Approx. 1.06x0.87inch(27x22mm) B Size: Approx. 0.87x0.83inch(22x21mm) Package Includes: 4x Violin String Tuner note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.