The 13.2x99mm SR TuF is a semi-rimmed anti-tank cartridge that developed at 1918, the final stage of WW1 (1914-1918). It was famous for first cartridge designed for anti-armored vehicle.
It is very suitable for movie props, history reenactment, collectibles and/or teaching models.
The dimension of this dummy cartridge was based on technical drawing and data that found on the internet, includes detail measurement. However, the dimension may vary from original one due to tolerance.