1This is a set of 20x20mm right angle corner brackets with 9x6mm oval mounting holes 2Made from aluminum alloy, these corner brackets are durable and solid 3Widely used to reinforce right angle corner joints of doors, windows, furniture, etc 4There are total 10 pieces of brackets in one pack that you can use for many projects 5Convenient to use, they can be simply fastened with bolts and nuts, bolts and nuts are not included Features: This is a set of 20x20mm right angle corner brackets with 9x6mm oval mounting holes. Made from 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 10 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: 20 x 20 x 17mm / 0.78 x 0.78 x 0.67" Hole Size: 9 x 6mm / 0.35 x 0.23" Quantity: 10pcs Package Includes: 10 x Corner Brackets(Bolts and nuts are NOT included)