The team of the German 3.7 cm PaK 36 light anti-tank gun of the caliber of 37 mm from the Nazi Wehrmacht Artillery in Second World War.
By the beginning of World War II, 3.7 cm PaK 36 was the standard anti-tank gun of the Wehrmacht.
In the front units of the Nazi Wehrmacht the 3.7 cm PaK 36 anti-tank guns received ironic name “door knocker”.