This Adjustable Coupler Lock has a triple chrome-plated finish, a 7mm hardened-steel shaft, and a water tight cap and O-ring to prevent corrosion. It is made to fit any wide lever couplers with 2" to 2-1/2" spans, as well as horse trailers.
TRIMAX Coupler Lock (Fits Couplers w/ Up To 2-1/2" Span)
TRIMAX Coupler Lock (Fits Couplers w/ Up To 2-1/2" Span)