Simpson Strong-Tie PGT2E-R50 2-3/8" O.D. Pipe Grip Tie, Qty. 50Simpson Strong Tie PGTE Pipe Grip Tie is the latest time saving solution for building fences with 2" steel posts. The PGT2E pipe grip tie features a unique two piece design that installs quickly and provides a solid connection between fence stringer and post. Snap the attachment plate onto the post for easy positioning and secure the strap using one thread tapping screw. The PGT2E R50 is designed for 2" pipe (2 3 8" outside diameter) Installation: Use