Specifications: 1. Mahogany Classical Guitar Bridge Material: Abalone shell Guitar bridge: 187mm (L) Ã 30mm (W) Center distance between two guitar string holes: 12mm 2. Classical guitar Dimensions: 520x60x90mm (LxWxH) Material: beef bone 3. Bovine bone classical guitar saddle Color: Natural Bone Material: beef bone Dimensions: 80Ã3Ã9mm (LxWxH) Feature: 1. High-quality material: Made of high-quality beef bone and mahogany material, high strength, light weight and durable. 2. Good performance: It can help anchor the string and adjust it to bear the tension for better performance, also it can compensate the treble and improve the sound quality. 3. Great Features: Produces clearer, richer and more stable sound. It can improve the overall level of the guitar, play a role in improving the sound quality of the guitar, and is used as a substitute for the classical guitar. 4. PERFECT ACCESSORIES: Great accessories for guitar lovers, harder and better sound than cheap plastic parts. Might be a good replacement bone bridge saddle nut for classical guitars Packageï¼ 1 x mahogany with abalone shell classical guitar bridge 1x Beef Bone Classic Guitar Nut 1x Cow Bone Classical Guitar Saddle