Four metal (brass) barrels are included in this package for your conversion
need. Every piece is precisely machined in 1/144 scale.
You will need a 0.55
mm diameter drill bit to drill holes in your receiving model to fit the pin of
the barrels; and a 0.7 mm drill bit if you want to accommodate for the thicker
barrel sleeve.(The pin is 0.36 mm and the sleeve is 0.66 mm in diameter
Perfect for converting you 2 cm Falkvierling 38, Flakpanzer IV Wirbelwind, or
even used as 2 cm KwK 30 on the SdKfz 222 or 2 cm Haengelafette 38 turrets.