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Brass fastening cap for the 3 mm axle of the D3 and D4 stationary steam engines.
Description
Brass fastening cap for the 3 mm axle of the D3 and D4 stationary steam engines.

Brass fastening cap for the 3 mm axle of the D3 and D4 stationary steam engines.
Brass fastening cap for the 3 mm axle of the D3 and D4 stationary steam engines.