This is a 64 titanium piton shaft with a shaft diameter of Φ15mm and a length of 30cm. The knurled section is approximately 55mm long. The material is Gr5 Ti-6Al-4V, commonly known as 64 titanium. Other lengths and specifications are available, so please inquire via the question section if you have any requests. Other sizes can also be ordered; please inquire via comments. Reference Prices: 30cm...6300 yen 40cm...8000 yen 50cm...9000 yen 60cm...10200 yen 70cm...11300 yen 80cm...12500 yen 90cm...13600 yen