Description
*380 and 390 are both 12 teeth!
*RS550,RS555,RS570 is 10 teeth with a diameter of 1.0CM!
380 and 390 can replace each other
550 570 555 can replace each other
*If you need other teeth, please contact me!
![](https://ae01.alicdn.com/kf/Hdc20630408534d1ab347da26e0eaab13r.jpg)
![](https://ae01.alicdn.com/kf/Sdb3b24b9baff443faa62970239cb49b1M.jpg)
![](https://ae01.alicdn.com/kf/H7389a27cd301459199535c5d9fbc010a2.jpg)
![](https://ae01.alicdn.com/kf/S502ae907bdd84dc9b3f854d4f695a8bde.jpg)
![](https://ae01.alicdn.com/kf/S1cdc1f46acd441deb81c870f9edd220fc.jpg)
380 and 390 can replace each other
550 570 555 can replace each other