Specifications

1)Size:OD 18mm
2)Material:zinc alloy
3)Customers could choose the right color plating on the surface.

Button:

1)Size:OD 18mm

2)Material:zinc alloy

3)Customers' own design is accepted.

4)This product has a simple design which guaranteed its practicability.

5)Customers could choose the right color plating on the surface.

6)Timely delivery can be guaranteed.