V287, 3-1/2", Galvanized, Extra Heavy Gate Hinge, Designed For Applications With Narrow Mounting Surfaces, Such As Gates, Barn & Shed Doors, Storage Bins, & Tool Boxes, Designed For 2" x 4" Or 4" x 4" Post Applications, Tight Pin Allows Right Or Left Hand Applications, Designed For Full Or Half Surface Applications, Offset Screw Holes For Extra Strength & To Prevent Wood From Splitting, Manufactured From Hot Rolled Steel, Visual Pac.