Material: carbon steel and stainless steel Firmly anchors non-insulated, stationary pipe lines to overhead structures by attaching to threaded rod of desired length. Durable: top quality steel construction for ultimate performance and corrosion resistance Specialized coating process,for superior corrosion and abrasion resistance. Instructions for easy installation: install rod anchor in ceiling / attach threaded rod to anchor / slide rod through the hole on the top of the clevis hanger / fasten connection with threaded nuts from both sides.