Made from stainless steel or molybdenum and are intended for mounting large structures. They screw into a variety of Groove GrabbersTM, Clamping Plate Assemblies and other Kimball components. Stainless Steel products include: SS-TR-6-32-12000 (Thread 6-32, length 12.0")SS-TR-4-40-12000 (Thread 4-40, length 12.0")SS-TR-0-80-12000 (Thread 0-80, length 12.0") Molybdenum product: Mo-TR-0-80-6000 (Thread 0-80, length 6.0")(The Molybdenum rod is not available for multi-package discounts.) The standard package for all Threaded Rods contains (1) part.