ProFIT Box Nail, 20D, 4 in L, Steel, Hot-Dipped Galvanized, Head Type: Flat, Shank Type: Round, Smooth, Package Quantity: 1 lb, Head Size: 3/8 in, Nails per Pound: 49, Point Type: Diamond
Flat head for solid holding power
Round, smooth, thinner shank reduces wood splitting, but offers less holding power than a common nail
