1) Trailer straight coupler:

* Size: 1-7/8"X2-1/2", Capacity: 2000lbs, 1-7/8"X2", 2"X2"，2"X2-1/2"，2"X3", Capacity: 3500lb，and 7500lb coupler, etc.

* Color: Chrome or painted finish or oil finish

* Type: US type.

2) Trailer coupler:

* Size: 50mm, 2-1/2", 3500lbs

* Color: Chrome or power coating

* Type: EU type

* Steel board thickness: 3mm, 2. 5mm