This is a 1/8 inch thick TUSQ nut, unprocessed type. When installing, please ask a repair shop to do the work. TUSQ strings are resistant to wear and feature excellent string glide for stable tuning. They maximize the frequency range of your guitar strings, allowing you to enjoy a wide range of sounds, from clear highs to deep lows. Manufactured with precision under high temperatures and pressure, TUSQ is 100% consistent in quality, unlike natural materials such as cow bone and ivory. Using TUSQ allows for rich tone and sustained harmonic content. This is the most trusted nut and saddle series among guitarists and guitar builders around the world. It provides stable tuning, a clear, rich sound, and sustain. It is designed to transfer string vibrations to the neck most efficiently. Length: 63.50 mm (2 1/2 inches) Thickness: 3.17mm (1/8 inch) Height: 7.92 mm (5/16 inch) Material: TUSQ artificial ivory Products may not be available depending on stock availability. In addition, if the item is out of stock, we may not be able to order it for you due to reasons such as it being discontinued or the manufacturer not having any stock. We appreciate your understanding in advance.