Bracket Brace Fixing Piece Corner Reinforcing Flat/U/Angle Plates Aluminum Alloy

15 x 15 x 100 mm Vertical Corner Strip. 3-Hole U-Shaped Bracket. 5-Hole U-Shaped Bracket. 9-Hole U-Shaped Bracket. 30.5 x 50.5 mm Vertical Triangular Plate. Made from a single-piece aluminum alloy, it has a density of only one-third that of steel.