FASTENERS & TOOLS | Acoustical, Ceiling and Partitioning, Electrical | Drywall, Horizontal | Hex-Key Ends Are Square-Cut for a Secure Full-Depth Fit and Maximum Contact With the Hex Socket to Prevent Slippage and Stripping of the Socket | Ready to Use Storage Containers Quickly Dispense a Tangle Free Line and Also Protect Line From Direct Sunlight | Terminating Connector | Used to Join Two Externally Threaded Parts of Equal Thread Diameter and Pitch, Often Two Pieces of Threaded Rod