Brass rod size: length 11 mm, diameter 5 mm, national standard M4 thread;
After installing the screws, the shortest length is 16mm and the longest is 22mm, please make sure your product is used within this adjustment range;
The screws are imported Taiwan YFS Fangsheng 12.9-grade high carbon steel screws, electroplated with gold;

Package includes:5pcs/set