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N Scale permanently fixed coupling bars for Rapido style couplings. These can be used to keep consisted locos or unit trains permanently coupled. This set has 20 6.5mm (0.256") long couplers. (The length is from inside to inside.)
Other lengths and quantities are available on request.
These have been test printed in FUD.
For more information please see my blog - www.jamestrainparts.wordpress.com