This Hitch Receiver Lock Set has test specifications exceeding 32,000 lb and has (2) 5/8" pins that fit all Class III, IV, and V receivers. One lock has a 4-3/8" span and the other a 2-3/4" span. Both are made of machine-hardened steel.
TRIMAX PREMIUM 'Rapid Hitch' KEYED ALIKE LOCK Set