WORM AND GEAR DRIVE 4 MODEL ENGINEERING LIVE STEAM ENGINE NON MECCANO SPARES

WORM AND GEAR DRIVE

SUIT MODEL TRACTION ENGINE

GEAR IS 1.3 CMS DIAMETER

WORM IS 1.1 CM LONG.

MATCHING PAIR.

THE SCREW IS FROM TRIX� CONSTRUCTION

AND FITS THE GEAR THREAD