Simpson Strong-Tie WA25214MG 1/4" x 2-1/4" Mechanically Galvanized Carbon Steel 1/4" Drill Bit Diameter 7/16" Wrench Size 1-7/16" Thread Length 5/16" Minimum Fixture Hole Diameter Wedge-AllŽ Wedge Anchor - Mechanically Galvanized Carbon Steel (100 ct)