●Made of 100% real high quality buffalo bone ●You can design the saddle by yourself ●Package includes: 6 x Blank Bone Guitar Saddle. Saddle Size: 80x3x10mm ●Suitable for acoustic electric guitar, bass guitar, mandolin banjo, ukulele ●Cheerock provides a 100% money-back 60-day guarantee and 24hrs customer service. If you are not satisfied or have any questions, please feel free to contact us to get a satisfied solution.