National Hardware 0.5-in x 0.625-in x 3.5-in Steel Flat Brace (4-Pack) N226-746

Hole sizes fit Phillips flat screws sized #5
Drill a pilot hole with a 5/64-inch sized drill bit when using wood screws
Designed to reinforce corners on chests screens, windows, etc
Product design allows for quick and easy repair of general household items
Screw holes are countersunk
Manufactured from hot-rolled steel
Ships within 24 hours