V124, 2 Pack, 4", Zinc, Corner Braces, Hole Sizes Fit Phillips Flat Screws Sized #8, Drill A Pilot Hole With A 3/32" Sized Drill Bit When Using Wood Screws, Used For Reinforcing Inside Of Right Angle Corner Joints, Product Design Allows For Quick & Easy Repair Of General Household Items, Heavy Duty, 3 Sided Construction, Screw Holes Are Countersunk, Manufactured From Steel For Strength.