First step
Identify your coupler type within the 4 below.
Then, click on your hitch ball size.
#1 > Trailer coupler with flat lip
>> Straight-tongue (I) / A-Frame (II) / Adjustable (III) couplers
#2 > Trailer coupler with round edges & UFP style
>> 2" UFP style (I) / BULLDOG style (II)/ Sharp edges (III) couplers