Features:
1.Each qualify checked item with a unique Manufacturing Part Number label on the inner package to confirm if it is the authentic item sold from our store.
2.When you have any problems about your item, please send us the MPN label information first.
3.Made of brass, long time service.
4.The transmission structure of shaft gear wheel is simple, compact, small volume and light weight.
5.Shaft Z1=1, turn a round of gear T, can get a large transmission ratio, generally in the power transmission, the transmission ratio I=10-80, like big transmission ratio, if use with gear transmission, will need to take the multi-stage transmission.

Specifications:
Material: Brass
Modulus: 0.5
Reduction Ratio: 1:30
Brand name: Mxfans
Weight: 23.7g

Gear Wheel:
T:30
T Dia:16.2MM
Height:12MM/0.47 Inch
Outer Diameter:16MM/0.63 Inch
Hole Diameter:4MM/0.16 Inch
Step Size:12x7MM/0.47x0.27 Inch ( Dia x H)
Overall Size:12x16x4MM/0.47x0.63x0.12 Inch( H x OD x ID)

Gear Shaft:
Height:20MM/0.79 Inch
Outer Diameter:9.7MM/0.38 Inch
Inner Diameter:4MM/0.16 Inch
Size:20x9.7x4MM/0.79x0.38x0.16 Inch( H x OD x ID)

Package include:
1 x Brass Wheel
1 x Brass Gear Shaft
2 x Screws