National Hardware Gallery Series 3" Polished Brass Door Surface Bolt is a solid brass bolt designed for durability and style. Featuring a polished brass finish, this surface bolt is i for casement windows as well as French, twin, or Dutch doors. It an extra-long throw secured by a tension spring that keeps the bolt firmly in position without damaging wood surfaces. The bolt includes a concealed base for a clean look and comes with both universal and mortise strikes for versatile installation. Available in multiple sizes, this 3" version combines functionality with elegant design to enhance your door hardware needs. Model Number: N197-970