QUANTITY SIZE - 18 x Angle Brackets, 36 x Screws; 30x30x16mm/1.18"x1.18"x0.63"(L*W*H); Thickness:2.2mm/0.08"; Mounting Hole Dia: 4mm/0.16"; Screw Size: M4 x 16mm/0.16"x0.63"(D*L) RUST RESISTANT MATERIAL WITH BLACK COATED FINISH - The corner shelf braces…