For building QUAD, DELTA LOOP, MOXON BEAM...
Heavy duty fiberglass tube segment as used in HD Spiderbeam yagis - very well suited for building all kinds of permanent antennas
length of one tube segment: 3 ft 9 inches, when overlapped with other segments 3 ft 3 inches
wall thickness: 2mm
weight: 13 oz
Up to 6 tube segments can be joined together for constructing up to 19ft long spreaders
(i.e. the overlapping junction section between the tubes is 6 inches long)