The length of the blade was chosen to give several inches of blade to penetrate the body after passing through the 3 in (7.6 cm) of the thickest clothing that was anticipated to be worn in the war, namely that of Soviet greatcoats.
Panjang pisau dipilih memberikan beberapa inci dari pisau untuk menembus tubuh setelah melewati 3 in (7,6 cm) tebal pakaian yang diantisipasi akan dipakai dalam perang, yaitu greatcoats Soviet.