The 559-7-25 from Sioux Chief is a set of 2” EZ Glide Pipe Clamps for PEX, Copper, CPVC. These plastic pipe clamps can be used with pipes of appropriate sizes for horizontal and vertical runs of tubing.  Set of 25. 

Features:

• Size: 2” CTS;
• Inner ridges allow the pipe to slide easier and more quietly;
• Snap over the pipe with the help of V-shaped notch;
• Less noise due to expansion and contraction in tubing.