2" ball by 2.5" channel
Fulton straight tongue Fas-Lok trailer coupler with 2" ball and 2.5" channel 3500 lb capacity
The most popular coupler mechanism ever developed, the Fas-Lok originated as a Fulton brand and is offered in a full line of SAE Class I through IV rated straight tongue stamped couplers. The Fas-Lok latching mechanism allows quick and easy trailer hook-up, and is factory adjusted for convenience.