Aluminium Hollow Square Extrusions 25 x 1.6 - I.D. 21.8mm
AN - Clear Anodised
BLKAN - Black Anodised
BLK - P. Coat Night Sky Satin
WHT - P. Coat Pearl White Gloss
BRWN - P. Coat Hamersley Brown
SM - Surf Mist
WG - Woodland Grey
MT - Monument
GA - Galvanised
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About Aluminium Square Hollow Extrusions
Aluminium square hollow or square tube is a strong extrusion usually made with straight square corners inside and outside, with no weld seam. Sizes listed showing Radius have a rounded internal or external corner for greater strength in structural applications.