Specifications:
Material: Nylon
Thread Diameter: 17-19mm tapered thread, 25mm upper surface.
Package includes: 2Pcs(Other accessories are not included).
Note:
 1.Please allow  error due to manual measurement. pls make sure you do not mind before you bid.
 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.
 Thank you!