NOTE:
Teeth quantity (Optional type):
（1）big:22 small:10
（2）big:30 small:8
（3）big:28 small:14
（4）big:36 small:10
（5）big:30 small:18
（6）big:46 small:10
Modulus: 0.5
Height:5mm
Bore diameter: 2mm
Diameter=(Teeth quantity+2)x0.5(mm)
Color:White
Best used for accessories of Model toy ， Motor shaft gear
Package included:
10 x Gear