Product details:

Tow Zone 660 actuators from Tie Down Engineering feature the Drop N Go Auto Latch Coupler. In the closed (tow) latch position, it will auto-latch onto the hitch ball when set on top with minimal weight. Solenoid plumbing built into the master cylinder eliminates; removal of the entire solenoid for servicing, detachment of brake hose, detachment of the actuator cover and detachment of the actuator from trailer tongue. 6,600 pounds capacity.