Length: 200mm, 300mm, 400mm, 500mm, 600mm cut. T-SLOT ALUMINUM EXTRUSION / FRAMING. Size: 30 x 30mm / 1.2" x 1.2". material : Aluminium alloy - 6063T5. 3030R SERIES CLEAR ANODIZE FINISH. Section of modulus: Zx: 1.52cm3, Zy: 1.51cm3.
eBay