American Valve AV301336 1/2-Inch Copper Milford Hanger Hang copper tubing from floor joists Designed for horizontal applications Holes allow for faster installation For use with 1/2-in copper pipe Top plate swivels and screws into place Hang copper tubing from floor joists Holes allow for faster installation For use with 1/2-in copper pipe Top plate swivels and screws into place