3 3/8 Inch Maltesia Style Door Bell Push Button (Several Finishes Available) Finish:Polished Brass The key hole measures 3/8

The key hole measures 3/8 inch wide at it's widest point

A standard 2 3/8 inch backset is included

The refined rope border reflects traditional English Georgian design

The picture shows the chain with about a month of patina and close to the final color for an unlacquered brass finish

appliance panels

3 3/8 Inch Maltesia Style Door Bell Push Button (Several Finishes Available) Finish:Polished Brass The key hole measures 3/8Solid Brass Avalon Style Door Bell Uses 24 Volt maximum (standard doorbell circuits) 3 and 3 8 Inches in Diameter Hardware Included This doorbell measures 3 and 3 8 inches in diameter. Direct screw mount and connects on normal door bell voltage with two common wires. Uses 24 Volt maximum (standard doorbell circuits). Includes all necessary mounting hardware. Comes in either a Polished Brass or Black Bronze finish. Polished brass is an unlacquered