1、This is a set of 58x58mm right angle corner brackets with 4 oval mounting holes 2、Made from high quality aluminum alloy, these corner brackets are durable and solid 3、Widely used to reinforce right angle corner joints of doors, windows, furniture, etc 4、There are total 5 pieces of brackets in one pack that you can use for many projects 5、Convenient to use, they can be simply fastened with bolts and nuts, bolts and nuts are not included Features: This is a set of 58x58mm right angle corner brackets with 4 oval mounting holes. Made from high quality aluminum alloy, these corner brackets are durable and solid. Widely used to reinforce right angle corner joints of doors, windows, furniture, etc. There are total 5 pieces of brackets in one pack that you can use for many projects. Convenient to use, they can be simply fastened with bolts and nuts, bolts and nuts are not included. Specifications: Material: Aluminum alloy Color: As picture Bracket Size: 58 x 58 x 28mm / 2.28 x 2.28 x 1.1" Hole Size: 10.4 x 8.2mm / 0.4 x 0.32"(small); 17.9 x 7.9mm / 0.7 x 0.31"(big) Quantity: 5pcs Package Includes: 5 x Corner Brackets(Bolts and nuts are NOT included) Note: Please allow 1-2mm error due to manual measurement. Thanks for your understanding.