National Hardware 3" x 3/4" Corner Brace is designed to reinforce the inside of right angle corner joints, making it i for use in chests, screens, windows, furniture, and more. This corner brace features countersunk screw holes for a flush finish and is installed using #7 flat head screws. For optimal results with wood screws, it is to drill a pilot hole with a 5/64" drill bit before installation. This durable and reliable hardware piece ensures strong and secure corner support for your projects. Model Number: N266-483