Baldwin 0195.402 Ring Door Knocker, Distressed Oil Rubbed Bronze Baldwin Hardware warrants to the original residential purchaser (the "Purchaser") that each Baldwin Estate product shall be free of mechanical defect for as long as the Purchaser occupies the residential premises upon which the product was originally installed. Easy installation Long lasting The product is manufactured in China Country of origin: China 4 1/4"W x 5 1/2"H Bolt CTC: 3 3/4"