The HOLDRITE® #117-WR Series No-Hub Fitting Restraints are designed to reinforce no-hub cast iron installations in accordance with the installation instructions of U.S. cast iron soil pipe manufacturers, CISPI Designation 301-18, 310-18, and the 2006 CISPI Installation Handbook. The #117-WR (12”x 4” – 15”x 12”) retains the Wye fitting onto the adjoining piping, in mid-span runs.. For these 12”-15” products, heavy duty steel pipe clamps and straps are used and require 60 ft/lbs of torque on pipe clamp bolts