1. Wide application: Work perfectly for bookshelf, potted plants, stereo, table, desk; Reinforcement of a broom closet door, smooth joints, seams and cracks. Help stabilize the bed frame, box, set up, or fixtures and fittings. ^2. : The bracket is made of stainless steel, sturdy, sturdy, waterproof and rustproof. Hand-polished stainless steel, modern look and no need to worry about daily scratches, corrosion and tarnishing. ^3.Large quantity: set of 20 corner braces + 80 screws (40 x 40 x 16 mm). Mounting hole diameter: 5 mm Number of holes: 4 holes. Ideal for a wide variety of uses. ^4. Easy to Install: The screw holes are recessed so the screws are flush with the surface of the brackets. L-shaped steel corner brace to reinforce right-angled corner connections. ^5. What You Get: Quality products and friendly customer service, please feel free to contact us if you have any questions. We will reply you within 1 working day.