Steel Posts and ColumnsPurlinsSteel Box BeamsSteel Columns and PostsLoc Seal DeckingSteel CanopiesCustom Sizing AvailableStandard Post SpecificationsLock Seam4" x 4"16 GaugeGalvanizedUseful for many projects from fence posts to canopy columns. Strong 16ga steel is also galvanized for low maintenance. City of Los Angeles Approved Steel FabricatorClark County, NV Approved FabricatorRequest Quote Your Name Your Email Post Length Lineal Feet Job Specs (optional) Attach shop drawing (optional) Accepted formats: PDF, JPG Add me to your email newsletter list.