About the product: -High quality, durable and solid. -Easy to use, they can be easily fixed with screws and nuts.Screws and nuts are not not included. -Specially designed with right angle, it is an important fastener to keep mechanical parts firm. -Large quantity, widely used to reinforce right angle joints of doors, windows, furniture, etc. Specification: Material: Made of high quality aluminum. Size: about 20 * 20 mm / 0.79 * 0.79 inch with oval mounting holes of 9 * 6 mm.Package includes: 25 piece right angle bracket. Note: If you receive a product that is defective in materials or workmanship, we will replace or replace it. refund.