2 Pack Simpson Strong Tie AC6Z 6x Adjustable Beam/Post Cap Z-Max Finish Used in pairs sold each 5-1/2"w x 8-1/2"l Use with 14, 16d Nails for Max Allowance Z-Max:Hot Dip Galvanized(G185) 1.85oz of zinc per sq-ft surface area per ASTM A653 total both sides