This Receiver and Coupler Lock Set includes a T3 receiver lock with 5/8" diameter that fits a 2-34" span and a TC1 coupler lock that fits a 7/8" span. Four keys are included and both locks are keyed alike.
TRIMAX T3 - 5/8" Receiver & TC1 - 7/8" Span Coupler Lock
TRIMAX T3 - 5/8" Receiver & TC1 - 7/8" Span Coupler Lock