... 1X1m,1X2m,etc.... sand wall hesco boom parking barrier1.Hesco barrier : also named as Hesco bastion, Hesco defense wall, Hesco blast wall, sand cage, ... with sand, dirt or gravel. The main advantage of Hesco barriers, strongly contributing to their popularity with troops and ... dipped galvanized, Galfan coated.4. Specifications :1) wire diameter: 3mm-5mm2) hole: 2''x2'', 3''x3'', 4''x4''3) Hesco size: 0 ...