Hand Clamps from TelephoneStuff.com

Erico Beam Clamp Threaded Rod Hanger (Box of 100) -- 6AXX

 
 
Erico Beam Clamp Threaded Rod Hanger (Box of 100) -- 6AXX -- View Larger Image
Erico Beam Clamp Threaded Rod Hanger (Box of 100) -- 6AXX-Image

Used to suspend 3/8" (plain) rod from beam flanges 1/8" to 3/4" thick.
Features:
- Static load limit 200 lbs.
- Requires only a hammer to install