Clash of Steel: IS-2 Heavy Tank CompanyDescriptionSpecificationsShipping This miniature is part of the SOVIET FORCES range. It contains high quality plastic model tanks at a 1: 100 scale, to represent units in Clash of Steel. IS 2 Heavy Company (Core Unit) Contains: 5x IS 2 Tanks Description: The IS (Iosif Stalin) heavy tank is often referred to as the tank of victory in Soviet sources. The development of the IS series of tanks started in late 1942 as a response to the performance of the