PRECISE TUNING: This guitar string end bone nut bridge saddle can tune the strings of the instrument to the most precise, so that the tension of the strings can reach the best, and the playing feel is better. ADJUST THE SOUND QUALITY: This guitar string end bone nut bridge saddle can play a certain role in the sound quality of the instrument, which can make the sound of the instrument more clear and stable. EXCELLENT MATERIAL: This guitar string end bone nut bridge saddle is made of high-quality cow bone material, which is safe and environmentally friendly, has high hardness, is not easy to deform, durable, and has a long service life. WIDELY APPLICABLE: This guitar string end bone nut bridge saddle is very suitable for music rooms, music classes, musical instrument stores, and is very suitable for tuning the acoustic classical guitar mandolin banjo ukulele. SERVICE GUARANTEE: If you have any questions about the product, please feel free to contact us. We will do our best to solve the problem for you.