30cm length of box section alloy 20mm x 20mm x 2.0mm wall (T66 grade).
P&P is cheaper for this item if you phone the order through !
20mm x 20mm end caps also available.
Also available in 1.2m lengths, please phone for this.
Typical use of 20 x 20 box section, clamping a 2″ pole to a 3″ x 3″ square box section using 3.5″ saddles.