12PCS L Bracket Corner Brace Sets Stainless Steel Corner Bracket 90 Degree 

• Include 40PCS (20x20mm/0.79x0.79 Inch) black L bracket and screws. They can meet all your different needs and provide a great value bracket package for your DIY projects.
• STRONGER & DURABLE- corner brace is made of high-quality stainless steel, rust-proof, sturdy, will not twist or deform, and has a long service life. The black coated surface and round edge are smooth without burrs, no worry about scratching your hands or furniture.
• SUPER EASY TO INSTALL - metal L Brackets for Wood can help you repair shaky furniture quickly and easily. The attached self-tapping screws have a deep thread that offers firm fastening force and great grips in wood materials. Countersink mounting holes ensure the screws do not stand out, and tight-fitting 90-degree angle brackets give your furniture an aesthetic look.
• PERFECT DIY PROJECT - The metal corner brackets are for support in corners or projects that require 90-degree support. If you have rickety furniture that needs reinforcing, this is a quick and easy fix to help you stabilize items like bookcases, chairs, tables, beds, cupboards, drawers, desks, bookshelves, kitchen cabinets, wood frames, fences, closets, dressers, etc.