24 inserts are sufficient for SIX Wrenn wagons.
WRENN TWENTY FOUR axle hanger SMALL inserts
WRENN model railway Twenty Four Flat Head Valve Gear Pins
Hymek D7018 - The story of the twenty four year restoration - Class 35 - DEPG
TRIX/TWIN `OO GAUGE-THREE-RAIL `FIBRE TRACK` "TWENTY FOUR" SHORT CURVES)
Twenty-Four Inches Apart The Two-Foot Gauge Railways of The Cape S. Moir 1963
HORNBY DUBLO WRENN TWENTY couplings Cranked HD (Part 21402) - New Original