Bone bridge saddle and nut are made of real cattle bone. The bone has minimal porosity and a great appearance. Its density and minimal porosity contribute to improved intonation and clarity. 6-piece bridge pins are made of brass with green abalone dot and brass circle on the head. These pins enhance the visual appeal of your guitar, and due to their density and rigidity, they provide better vibrational transfer compared to plastic, improving sound quality. Designed to fit most acoustic guitar brands. This set serves as both a functional replacement and an elegant upgrade. If you haven't tried brass bridge pins, you may not realize the acoustic benefits. Experience enhanced sound performance. These bridge pins are ideal for replacing lost or broken ones and make a great accessory for your acoustic guitar. Bone Nut Size: 43mm x 6mm x 8.5mm Bone Saddle Size: 72mm x 3mm x 9mm Bridge Pins: Total Length: 30mm, Top Diameter: 7.6mm, Bottom Diameter: 4.5mm Color: Gold + White Material: Brass, Bovine Bone, Plastic Package Contents: 6 x Bridge Pins 1 x Nut 1 x Saddle 1 x Pins Puller Only the above package content is included; other products are not included. Note: Light and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3cm.