Aluminium Square Box Tube Section 20mm x 20mm x 3mm Grade 6060T66 Many Lengths
20mm x 20mm x 3mm - Internal is 14mm x 14mm. Aluminium Box Section. i.e a 1000mm long bar would yield 10 equal pieces @ approx 95mm long not 100mm long. This doesn't apply to sheet 6mm or under and this is always cut with a guillotine.