Comments about Trimax Universal Unattended Coupler Lock:
One of the very best hitch locks I have seen. The ease of installation, and functionality make this lock a must have when leaving your trailer unattended. High quality and extremely durable. I highly recommend this lock.
Bottom Line Yes, I would recommend this to a friend
This lock kit includes a keyed alike universal
receiver lock and universal coupler lock. Receiver lock fits both 1/2" and 5/8" dia. receiver holes. Coupler lock pin adjusts to fit 7/8" to 3 1/2" spans.