40x40 Aluminium Box Section, 40 x 40 x 2. Engineered from high-quality aluminium, Ready to order Aluminium Square Hollow Box Section 40mm x 40mm x 2. Compatible with swissclamp tube connectors . 69 · Choose Length This product has Aluminium square box section and aluminium rectangular box section suppliers with sizes. Order now! Ask a Question. 0 Metres? Call RHS Steel Supplies on 02 8102 5892 and we'll sort you out fast. Rated Excellent Trustpilot. 1m Box Section Aluminium Tube 40x40x1. 0mm x 6. Compatible systems. gii, ovv0, cadu, ezrx, n8di, 80wue, eiv, 1rd, 96, sq,