Simpson Strong-Tie WA50414MG 1/2" x 4-1/4" Mechanically Galvanized Carbon Steel 1/2" Drill Bit Diameter 3/4" Wrench Size 2-13/16" Thread Length 9/16" Minimum Fixture Hole Diameter Wedge-AllŽ Wedge Anchor - Mechanically Galvanized Carbon Steel (25 ct)