Fits inside your 1-3/8" x 16-18 gauge top rail tubing, joining together two pieces of 1-3/8" tubing.

Our  1-3/8""  fittings allow you to build:
• Greenhouses, both Quonset Style and Gambrel Style.
• Cold Frames
• ATV shelters
• Garden Row Covers
• Portable Poultry Pens
• Banner Frames

Complete with (2) self-tapping screws per fitting.

This fitting was designed by Shane Dodge and manufactured at colorado metal worx, all rights reserved 2008-2020.