Players at any level will benefit from Anton Breton''s extensive collection of fine tuners. Students and teachers applaud the simplicity of use and surety of tune, while masters of the bowed art use them as a way to precision tune their instruments in an effort to continuously reach for harmonic and tonal perfection. Each model is made from the best quality brass, and then nickel-plated for a lifetime of durability and accuracy, each one sure to improve the playability of any instrument. Key Features: - Mounts on tailpiece - Accepts both loop and ball end strings - Triple nickel-plated