Product: 5 Pcs Mandolin and Guitar Upper Nuts, Natural Cattle Bone Overview Natural cattle bone upper nuts designed for mandolins and guitars. Supplied as a pack of five pieces for repairs, building, or stocking spare parts. Made from natural bone for a traditional look and reliable performance. Key benefits Ready supply of spare nuts: five identical pieces let you multiple instruments or keep replacements on hand for quick fixes. Durable natural material: cattle bone is dense and hard, making nuts that resist wear from strings and retain their shape over time. Practical for setup and : bone can be filed, sanded, and shaped to fit a variety of nut slots, allowing precise action and string spacing adjustments. Consistent contact and vibration transfer: the solid bone material provides stable string seating and predictable stringtosound transfer typical of conventional nuts. What this product does Serves as the upper nut on the instrument neck, providing the correct string spacing, height, and end point for open string vibration. Replaces worn, cracked, or damaged nuts to restore consistent tuning behavior and playability. Works as a component for custom builds and luthier projects. Compatibility and function Intended for mandolins and guitars as upper nuts. Verify slot dimensions and string spacing on your instrument before installation. Quantity: 5 pieces per pack, allowing multiple repairs or replacements. Material: natural cattle bone, solid and workable for final shaping and setup. Practical notes on use Final fitting usually requires simple hand tools such as files, sandpaper, and a nut slot gauge. Test fit and fine tune string heights and spacing for playability. For results, glue with a small amount of appropriate adhesive and check alignment before final curing. Use scenarios : a cracked or grooved nut on a mandolin to restore stable string seating and even action across strings. Luthier work: Use as stock components for building or finishing several guitars or mandolins where consistent bone nuts are preferred. Gig preparation: Keep spares in a technician tool kit for fast onstage replacements during tours or sessions. What is included Five natural cattle bone upper nuts suitable for mandolin and guitar use. Why choose bone nuts Bone is a traditional nut material valued for its hardness and workability. These pieces provide a straightforward, serviceable option when replacing or customizing upper nuts on plucked string instruments. Note Confirm dimensions and slot requirements prior to to ensure fit. Minor shaping is typically required to match individual instrument slots.