Aluminium Equal Angle metric variations:
15mm x 15mm x 1.5mm
20mm x 20mm x 2mm
25mm x 25mm x 2mm
30mm x 30mm x 2mm
30mm x 30mm x 3mm
35mm x 35mm x 2mm
40mm x 40mm x 3mm
50mm x 50mm x 2mm
50mm x 50mm x 3mm