CC Pinion 16 Tooth - 32 Pitch

That's 5mm larger on the diameter and 3mm on the width

5 Teeth: 60 diameter: 31mm Thickness: 4mm Comment You might need CSG182R08 1/8 to 2mm Conversion Sleeve for most 1/8 shaft pinon gears on the market

FITS: Spektrum DX6R

One 48 pitch 56T Hardened Spur Gear

Dubro Products - Tru-Spin Prop Balancer Shaft KYO34424T2 CC Pinion 16 Tooth -Tru Spin Prop Balancer has a specially designed locking cone that securely centers and locks props on to the balancing shaft for utmost accuracy. Each cone is carefully inspected on a calibrator to make sure it is running true. The balancing shaft is manufactured out of hardened material and then is centerless ground giving precision balance every time.