Simple adjustments require no wrench
Fast locking and unlocking of the ball
Safety latch snaps shut
Exclusive "Quick-Lock" ball clamp assembly that can be adjusted without the need of wrenches. This feature provides a precise fit on the hitch ball for proper towing. The trigger action release on the ball clamp assembly allows fast locking and unlocking of the ball clamp for convenient hitching. The safety lever snaps shut and cannot unlatch by itself. D-L coupler balls are made from precision machined solid, cold drawn steel.