1) Product: Tension rod is one of the perfered choice for spider system, with different diameters and lengths to suit specific project. 2) Range of dia. of rod available: Ø12 - Ø35mm For larger sizes, please feel free to contact us for further information. 3) Accessories: A full set of tension rod includes machined steel rod, two pcs of fork ends, pins, locking nuts. 4) Length of tension rod: Steel connector will be provided when the required length of tension rod is over 6 meters. 5) Other info a. Certification :ISO 9001-2000 b.Qualified stainless steel 304 or 316 as per American standard. Test report of material is available upon your request.