Feature(may vary by option.)
●Model specifications: 1.5 mod
●Teeth: 20teeth
●Tighten screw:2 *M5
●Material: 45 steel
●Surface treatment: high-frequency for the tooth and Blackening.
[14mm 20 Teeth]
Description
Material: 45 steel,The gear surface has been treated with High frequency quenching treatment.
If there is water, there may be rust,it is a normal phenomenon, does not belong to quality problems,if you mind it, please dont buy.
All product outward appearance, the color take the material object as, the picture only supply the reference.