Features: Made from high quality stainless steel, these corner brackets are durable and solid. Widely used to reinforce right angle corner joints of drawers, windows, furniture, etc. There are five different sizes and you can choose the size you need. Total 10 pieces of brackets in one pack that you can use for many projects. Convenient to use, they can be simply fastened with M4 self tapping screws, screws are not included . Specifications: Material: Stainless steel Color: As picture Bracket Size(Optional): 20 x 20 x 16mm 0.78 x 0.78 x 0.63 , 25 x 25 x 16mm 0.98 x 0.98 x 0.63 , 30 x 30 x 16mm 1.18 x 1.18 x 0.63 , 40 x 40 x 17mm 1.57 x 1.57 x 0.67 , 50 x 50 x 17mm 1.97 x 1.97 x 0.67 Quantity: 10pcs Package Includes: 10 x Corner Brackets(Screws are NOT included )