This is for an unused 4mm scale 30:1 gearset with a 1.5mm bore on the worm gear. The drive gear has a 1/8 bore.
(125) MODELMASTER W/S DECAL 4MM BR 301 16T MIN. 3,7&5 PLANK ASSORTED OPEN WAGON
12v Motors For Small Scale Models. 15mm By 12.5mm By 10.5mm 1mm Shaft N 2FS 2mm
Scale Link 4mm Scale Accessories Sealed Please Choose From the List
True To Scale 'oo' Gauge 4mm Scale - Coach Name Boards - Series G1.
OO SCALE 4MM SCALE LANGLEY MODELS WHITE METAL BATH TUBS X 3 UNPAINTED
