Features [Simple and practical] Easy to use, it can be fastened simply with bolts and nuts, excluding bolts and nuts. [Installation specifications] This is a set of 40x40mm right-angle brackets with 20.5x8.5mm oval mounting holes. [Sufficient quantity] There are 5 brackets in a package, which can be used for many projects. [High-quality material] The corner brace is made of high-quality aluminum alloy, strong and durable. [Scope of application] Widely used to reinforce right-angle corners of doors, window, furniture, etc. Specifications: Material: Aluminum alloy Color: As picture  Bracket Size: 40 x 40 x 35mm / 1.57 x 1.57 x 1.37" Hole Size: 20.5 x 8.5mm / 0.8 x 0.33" Quantity: 5pcs Package Includes: 5 x Corner Brackets(Bolts and nuts are NOT included) Package List