... *80/80*100/100*120mm China Sack Gabions With High Quality And Best Price Sack Gabions are double twist hexagonal wire ... a strong resistance to natural destruction and poor weather.(4) It can withstand large-scale deformation, and does not collapse. (5) ... revet fence, control and guide the direction of river, spillway and diversion channel, rock fall protection, prevent soil and water from flowing, ...