Offer Details: High strength aluminum alloy. Lightweight, long wearing and rigid. End capped to prevent concrete from getting inside. Specification:6' ? 1 1/2" ? 3 1/2",6' ? 1" ? 4",6' ? 2" ? 4",8' ? 1 1/2" ? 3 1/2" , 8' ? 1" ? 4" ,8' ? 2" ? 4",10' ? 1 1/2"? 3 1/2",10' ? 1" ? 4" ,10' ? 2" ?4" ,12' ? 1 1/2" ? 3 1/2" ,12' ? 1" ? 4",12' ? 2" ? 4",14' ? 1 1/2" ? 3 1/2",14' ? 1" ? 4" ,14' ? 2" ? 4",16' ?1 1/2" ? 3 1/2" ,16' ? 1" ? 4",16' ? 2" ? 4",16' ? 2" ? 5" ,20' ? 1 1/2" ? 3 1/2",20' ? 2" ? 4" ,20' ? 2" ? 5" ,24' ? 1 1/2" ? 3 1/2",24' ? 2" ? 4",24' ? 2" ? 5" |