The single Hasco (also known as Hasco block) is a defence deployable which provide cover for your team. It can be placed by a squad leader near a FOB. A single Hasco block is about 1 m long and 1 m wide, if and only if the M1126 and M939 Truck have in-game measurements that match their Squad Wiki pages at the time of writing (6.95 m and 7.80 m, respectively).HASCO standard components - basic elements for mould and toolmaking. With the invention of the modular standard component system, HASCO has defined international standards and revolutionised mouldmaking