This Sammys X-Press 8150922 Rod Hanger provides a secure anchor for threaded rods with its 3/8 in. female fitting on the screw head. The X-Press Technology expanding anchoring strips collapse right after installation, securing the fastener with the rod tightly in place, without the use of a retainer nut. It is a godsend for instances in which access to the backside of the fastener is prohibited by panel liner or roofing insulation. Ultra-sturdy, highly durable and easy to use, it is the ideal choice for hanging sprinklers, pipes, electrical devices and HVAC equipment to your vertical metal deck structures. ⚠ California Proposition 65 Warning: This product is known to the state of California to cause cancer, or other reproductive harm. For more information, go to https://www.p65warnings.ca.gov FUNCTION: attaches threaded rod to overhead metal deck 22 gauge- 16 gauge X-PRESS TECHNOLOGY: the anchoring strips on this screw collapse after installation to secure the screw in place, reducing the need for a retainer nut DURABLE: galvanized steel structure with zinc coating, for ultimate quality and corrosion resistance FEMALE ROD FITTING SIZE: 3/8 in. BETTER CHOICE: more economical and time efficient than traditional methods EASY 2 STEP INSTALLATION: pre-drill hole and drive anchor using Sammys X-Press IT tool REDUCE SCREW FAILURE: install with compatible X-Press IT Installation Tool #8194910 to ensure correct installation torque and reduce fastener failure APPROVED: Xpress system earned the 9R21 and 25ES UL Listing