Master HalcoPanel Clamp 1-3/8 " X 1-3/8 " Galvanized Bagged

Master Halco 087053 2/Set Panel Clamp

Cross-Connector (Purlin Bracket) for Greenhouse - Galvanized Steel (12 Pack w/Bolts) (1 3/8" x 1 3/8")

OTTFF 8 Pack 1-3/8" x 1-3/8" Line Rail Clamp for Chain Link Fence, Boulevard Pipe Clamps, Cross Crid Connector