A metal sleeve threaded internally and used to connect threaded rods or bolts

The part of a trailer A-frame that attaches to the hitch ball.

The part of the trailer that hooks to the hitch ball.

Affixed to the trailer tongue, the coupler is a hollow metal stamping that covers the hitch ball.

The forward most part of a trailer tongue that envelopes and secures to the tow vehicle hitch ball.

The part of a trailer which attaches it to tow vehicle by going over and locking to the ball

The coupler is the component that is placed over the hitch ball that connects the vehicle to the trailer. Be sure that the coupler size matches the size of the hitch ball and that the coupler handle is securely fastened. To determine what size hitch ball you need for your application you will need to know the size of coupler that is on the trailer.

Component on a boat trailer that connects to the hitchball.

Located on the front of the trailer A-frame, the coupler attaches the trailer to the ball on the hitch.

The part of the trailer that attaches to the ball hitch on a towing vehicle