The U-bracket adopts aldural material with the surface sandblast; It is suitable for frameless glass door; The door opens at the angle of 90°; The U-bracket is suitable for magnetic lock of 300kg series; The shell is hard anodizing electroplating operated; The thickness of glass should be 10 to 15mm; The weight of the U-bracket is 0.32kg (0.70lb); The dimension (L×W×H) of U-bracket is 180×40×28mm (7.09×1.57&tim