Using engineering plastics.

Not easy to harden, good sealing,

Water resistant, oil resistant, not easily deformed, not broken,

size:17mm 、20mm

Quantity shipped: 2pc

Due to the light and shooting angle,Color may not match the picture,Subject to actual receipt


Notes:
We will check the products carefully before shipping. 
After receiving the item, if you have any questions, please write to me, please do not leave negative feedback and open CASE, I will try my best to help you solve the problem, as a seller, we will be responsible for everything.
 
Contact us?
If you need any type of item, please contact us via eBay messaging service. We will respond to you very promptly. At our store, we make every effort to ensure that every buyer's experience is as valuable and enjoyable as possible. 
You can buy with confidence knowing you're getting a worry-free deal!