Material: Plastic Thermoplast reinforced Crank body made from
plastic. Hub insert: steel, black oxide finish, brass-threaded bush for
screwing in the cylindrical handle. Cylindrical handle made from black
plastic and revolving. The protruding steel bush ensures an accurate
bore and a flush fit of the bore face. It can be retained with a pin or
a retaining screw. Version B = with bore H7 Version V =
with square bore H11.