UMAP – Universal Mast Arm Plate Description Universal Mast Arm Plate Browse Available UMAP – Universal Mast Arm Plate Downloads To view this content, you need to have JavaScript enabled in your browser.To do so, please follow these instructions. Loading... Name Size Modified Ascending Descending Share folder Thumbnails view List view No options... All Accessories SMAF / RMAF Wall Brackets Bolt-On Arm Adaptors UPMA UMAP Tenon Adaptors Find a Representative Your City, State, or Zip