High Quality Content by WIKIPEDIA articles! The VS-HCT series of mines are Italian plastic cased anti-tank mines that use Misznay Schardin effect warheads and have a dual seismic and magnetic fuze. The mines are no longer produced and differ in size and shape.The VS-HCT has a circular case with vertical ribbing. The mine can be either mechanically laid or laid by hand and incorporates both electronic and mechanical arming delays. The mines fuze has a battery powered seismic sensor which is used to detect approaching targets, and a magnetic sensor, which triggers the mine at the optimum point. Once triggered the mine fires a clearing charge, which clears up to 100 millimeters of earth that may have been laid on top of the mine. Once the clearing charge has been fired, the main charge is triggered. The main charge throws a heavy metal slug upwards, which is capable of penetrating up to 175 millimeters of armour.