The MaxxHaul 70010 Straight Tongue Trailer Coupler keeps your tow load latched on tightly. The coupler is constructed from die-cut steel with a durable zinc-plated finish to withstand rust and corrosion to ensure a long service life. It is rated as a class II trailer coupler and has a maximum gross trailer weight capacity of 3,500 lbs and 350 lbs. maximum tongue weight capacity. The coupler is designed to mount onto a 3″ wide straight trailer tongue beam and couple to any standard 2″ diameter trailer ball. It is equipped with a quick-release latch mechanism for optimal connect and disconnect operation. It features holes to accept a safety pin with chain to ensure that coupler remains securely latched and connected to hitch ball. It is an ideal fit for a connecting your trailer to your towing hitch ball.