Designed for acoustic guitar. Nut has pre cut and requires very little experience to install. Designed for acoustic guitar. Bone nut size: 1.7 x 0.24 x 0.3 (43x6x9mm) Bone saddle size: 2.8 x 0.12 x 0.35 (72x3x9mm) Package Including 3 x Bone Saddle 3 x Bone Nut HA1180 Kerosene Forced Air Heater Pressure Gauge Kit - Heater Parts Central Real Bone Acoustic Guitar Bridge Saddle 6 String Bone Guitar Bridge... Top 10 Best Acoustic Guitar Saddle aterial This kind of bone has minimal porosity and a great appearance, which yield good intonation and clarity. Bone nut size: 1.7 x 0.24 x 0.3 (43x6x9mm) Bone saddle size: 2.8 x 0.12 x 0.35 (72x3x9mm) Features: Made of real bone. This Is a Bank Bone, Unfinished Nut or Saddle, You Can Design Your Own Style. Natural, unbleached Bone, exceptional hardness, provides long durability. Saddle Strings SAPHUE 6 String Acoustic Guitar With Real Bone | Ubuy Guitar Nut