Coupler lock for lever style trailer couplers requiring a 0.875” to 1”” span. Locks trailer to hitch ball when in use. Helps prevent attaching to an unattended trailer. Coupler Lock with housing and knob cones for flush locking design. Pin Diameter: 0.25", Inside Width: 0.875"-1", Overall Length: 4.50".

Coupler lock for lever style trailer couplers requiring a 3.375” span. Locks trailer to hitch ball when in use. Helps prevent attaching to an unattended trailer. Coupler Lock with housing and knob cones for flush locking design. Pin Diameter: 0.25", Inside Width: 3.375", Overall Length: 7.00".

Coupler lock for lever style trailer couplers requiring a 2.50” span. Locks trailer to hitch ball when in use. Helps prevent attaching to an unattended trailer. Coupler Lock with housing and knob cones for flush locking design. Pin Diameter: 0.25", Inside Width: 2.50" Overall Length: 6.125"

Coupler lock for lever style trailer couplers requiring a 0.50” span (e.g. Shelby, Fulton, Dutton-Lainson). Locks trailer to hitch ball when in use. Helps prevent attaching to an unattended trailer. Coupler Lock with housing and knob cones for flush locking design, Pin Diameter: 0.25", Inside Width: 0.50", Overall Length: 4.125".

An ideal, high quality Trailer Lock for securing the trailer to your vehicle. Durable chrome finish and top quality lock with a dust cover/cap for added weather/wear related protection. Patented pick-proof threaded technology. Made in USA. Dead Bolt Receiver Style with Flush Locking Design. Covered Key Slot Prevents Corrosion. 2 Silver keys included. Helps Prevent Coupler Release From Ball. Helps Prevent Attaching Unattended Trailer To Ball. Pin Diameter: 1/4" Pin Length: 2" MFG Item #RC3