Worm Wheel Bore Diameter 12 mm Bore Diameter Tolerance +/- 0.2 mm Bore Type Plain Face Width 14 mm Gear Shape H1 Hub Diameter 50 mm Hub Projection 10 mm Material Aluminum Bronze Metric Module Pitch 1.5 Number of Starts 1 Number of Teeth 60 Outside Diameter 94.5 mm Overall Length 24 mm