3/4 x 6 inch Sioux Chiefs 513 series CTS pipe hanger (Natick Hanger) shall be used where necessary to secure copper piping according to all national code requirements. Hanger shall be made of epoxy coated steel. Stem length should measure 6 inch size from the top of the pipe loop. Hanger stem shall have mounting holes. Attaches to wood members.Natick Pipe Hanger,Hang copper from joists or studs,Copper plated