2" x 6", 16 Gauge, Rough Face Mount Standard U Hanger Provides Flexibility Of Joist To Header Installation, Features Speed Prongs, Which Locate The Hanger On The Header, Provides Flexible, Face Mounted Joist To Header Installation, Galvanized For Extra Corrosion Resistance, Install With 10D Or 16D Common Nails In The Header & 10D x 1-1/2" Nails In The Joist.