Includes receiver lock and coupler lock which are keyed alike. Square key eliminates lock picking and offers thousands of combinations. Ball bearing locking system eliminates weak points. Constructed with chrome-plated steel with rubber cap and O-rings for weather resistance. Class III/IV. 5/8" diameter.
Material: Chrome-Plated
Coupler Size: 5/8 In. Dia.
Key Design: Square
WARNING: This product can expose you to chemicals including Chromium which is known to the State of California to cause cancer birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. - Chromium (hexavalent compounds)