Free Standing Ground Mount for Masts up to 2-1/4" - Easy Up EZ TS-50 Unique & Highly Effective Design Features 18" welded guide pipe that accepts up to 2-1/4" tubing. Tubing is then secured in place with 2 provided set screws. 8-3/4" rod is welded on to plate. Plate is 11 gauge x 9" x 9" Can be used with ROHN, Easy Up, or Channel Master telescoping masts up to 2-1/4" OD