Locking model includes stainless steel keeper 

Mounts from rear with adjustable mounting ring

Includes fasteners

The California Office of Environmental Health Hazard Assessment is establishing this website to provide the public with information on chemicals, products and locations often associated with Proposition 65 warnings.  These warnings inform Californians about their exposures to chemicals that cause cancer, birth defects or other reproductive harm. 

 Proposition 65 Warnings Website - Your right to know (ca.gov)