LSTA18, 18", 20 Gauge Strap, Engineered For Use On 1-1/2" Members, Can Be Used Where Plates Or Soles Are Cut, At Wall Intersections & As Ridge Ties, The 3" Center To Center Nail Spacing Reduces The Possibility Of Splitting, 1-1/4"W x 18"LTo Fit On 2 x Lumber, Galvanized For Extra Corrosion Resistance, Installs With 12 Hot Dip Galvanized 10D Common Nails For Strength.