Heavy duty white thermoplastic. Dual gear is 1-7/8 inches diameter with 45 teeth with smaller gear 1 inch diameter by 1-1/4" long with 25 teeth. Smaller gears are 1" diameter with 24 teeth and 3/4" diameter by 16 teeth. Center hole for the dual gear is 7mm (0.276") and for the smaller gears is 5mm (0.2"). Unused.
