■About the Solex hitch member tolerance range and domestic regulations
●Domestic standard Class A == Trailer vehicle total weight less than 400kg
●Domestic standard Class B == Trailer vehicle total weight less than 550kg
●Domestic standard Class C == Trailer vehicle total weight less than 750kg
◆Tow trailers that meet the domestic Class A, Class B, or Class C standards listed in the hitch member vehicle compatibility chart or stamped on the hitch member ball mount included with the product. Do not tow trailers that exceed the standards.