FASTENERS & TOOLS | Acoustical, Ceiling and Partitioning, Electrical | Can Be Used as a Permanent Fastening in Side-to-Side Applications With Hooks. May Be Used in Overhead Applications to Suspend Light Weights Temporary | For Use With Sheet Metal | Installs Vertically Into the Bottom of Wood Structures for Hanging Threaded Rod | Ready to Use Storage Containers Quickly Dispense a Tangle Free Line and Also Protect Line From Direct Sunlight | Used to Join Two Externally Threaded Parts of Equal Thread Diameter and Pitch, Often Two Pieces of Threaded Rod