This is a 64 titanium piton shaft with a shaft diameter of Φ16mm and a length of 70cm. The knurled section is approximately 50mm long. The material is Gr5 Ti-6Al-4V, commonly known as 64 titanium. The basic length of the knurled section is 50mm. Other lengths and specifications are available. If you have any requests, please ask via the question form.