CZC AUTO Hitch Clamp Anti-Rattle Stabilizer Heavy Duty Cross Clamp 2 1/2 Inch for Hitches On Trailers of Trucks SUV Vans RV, Hitch Tightener Clamp for Hitch Tray Cargo Carrier Bike Rack Ball Mount

This is a heavy-duty anti-rattle stabilizer for 1.25" and 2" hitches, designed to provide a secure and stable connection between your trailer and tow vehicle.

The product features a tongue lock pin with a 3/4 inch effective length, as well as dual pins with a 3-1/2 inch effective length.

It also includes a 1/2 inch and 5/8 inch pin with a 3-1/2 inch effective length.

The product is designed to be easy to install and can be locked from the top or bottom.

It has a wide application and is suitable for various types of trailers, including those with a tongue weight of up to 100 lbs.

The product name is "Hitch Tightener".