Shop › 1-5/8" x 1-5/8" "Deep" - Half Slot (HDG) Image 1 of 1 1-5/8" x 1-5/8" "Deep" - Half Slot (HDG) $0.00 Product Description1-5/8" X 1-5/8" (DEEP)Half SlotMaterials & FinishHot-Dipped Galvanized (HDG)Spec Sheet Size: 10ft (15816X1012-HDG) 20ft (15816X2012-HDG) Add To Cart Added! Product Description1-5/8" X 1-5/8" (DEEP)Half SlotMaterials & FinishHot-Dipped Galvanized (HDG)Spec Sheet