Prosource HR4004SN-PS Door Knocker, 7", Satin Nickel Rainy_Weather Made from high-quality stainless steel

Made from high-quality stainless steel with a single-piece stamped construction

high carbon steel head which is properly hardened and tempered

between sill plates and concrete slabs

Hi-tech anti-kickback design re-enforces the tooth for longer life

Prosource HR4004SN-PS Door Knocker, 7", Satin Nickel Rainy_Weather Made from high-quality stainless steelHighlights: Finish: Satin Nickel Size: 7" Ideal for door thickness less than 1 3 4" Quick and easy installation Mounting hardware included WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www. P65Warnings. ca. gov