N/A The Holdrite #109-N-6 is Copper Bonded steel bracket made to position 1/2" or 3/4" copper tube. Specifically designed to mount 1/2" stub-outs exactly 6" from the floor, with additional 5/8" holes at 2-1/4" and 4-3/4". There is a single 7/8" hale at the height of 3-1/2" for a hose bib, etc. This bracket Also functions as a nail plate.