Система продвижения динамического двигателя 540 для коробки корабля-лощки 4 мм осьная система двигатель+универсальный секционный элемент+сборка пропеллера

30cm length of a shaft without brackets, Axial length 10cm contains brackets, Axial length 25cm containing bracket, Axial length 30cm containing brackets, Axial length 20cm does not include brackets, Axial length 20cm contains brackets, 10cm long shaft without brackets, 15cm length of a shaft without brackets, Axial length 15cm containing brackets, Axial length 25cm does not include brackets