Simpson Strong Tie HUC46Z 4x6 Heavy Duty Joist Hanger Concealed/Reverse Flange Z-Max Finish 14 Gauge 3-9/16"W x 5-3/16"H x 2-1/2"B Use with 16d Fasteners in the face and 10d in the Joist Z-Max:Hot Dip Galvanized(G185) 1.85oz of zinc per sq-ft surface area per ASTM A653 total both sides