EASY TO INSTALL: The package includes the mounting screws. You just use screwdriver or electric drill to fix the hardware bracket in a breeze. METAL BRACKET SIZE: 3.8inch x 0.8inch/ 97x20MM, Thickness: 0.1inch/ 3MM, Hole Dia: 0.2inch/ 5MM. FLAT BRACKET FEATURES: Ours black mending plates and screws are made of high-quality iron , Round end, No burrs, Counterbore designed, and more strong. WIDE APPLICATIONS: Flat straight brace brackets can fasten wooden bed, table, chair, window, shelf, cabinet, furniture and any flat joints. PACKAGE CONTENTS: 20 x Black straight brackets, 80 x screws. Meet your daily requirements to make furniture parts stay firm., Manufacturer: Akfldms