... Tubeans 25mm*2mm as vice -tube.The material is Used 6061-T6,the length of single is 1m-4m.This truss has ... 25mm*2mm as clin tube. It be use materials as 6061-T6,its single length is 1m-4m.This truss is cheaper ... 25mm*2mm as vice-tube. It be use materials as 6061-T6,its single length is 1m-4m.This truss is suitable ...