Features:
*Aluminum 7075 material with hard coating treatment
*Lightweight for better acceleration (15T weighs only 3g)
*Less rotating mass
*For 5mm bore motor
*Large 5mm set screw grips better
*Precisely CNC machined, lightened & hardened
NOTE: Use only with plastic spur gears.
*Made In Taiwan
*Cars, parts, accessories & others are not included.*