ProLine Series 2-Hole Galvanized Steel Tube and/or Pipe Strap. The durable construction provides long-lasting reliability. This product is perfect for securing CTS copper, PEX, or CPVC water lines to any surface while reducing vibration noise. Mount to wood, metal studs or joists using nail or screw in both holes. Refer to national or local plumbing codes for proper hanger spacing requirements.