This is the Castle Creations 14T MOD-1.5 Pinion Gear.
FEATURES: Hardened steel construction stands up to the torque of high-output
brushless motors used in 1/5 scale conversions
Fits brushless motors with 8mm shafts
Number of teeth stamped on gear for easy identification
One year limited warranty through Castle Creations beginning at date
INCLUDES: Castle Creations 14T MOD-1.5 Pinion Gear