Digby Bolt Lock Pair Large – Antique BrassOur Digby vertical door bolts are designed to fasten double doors. They can be oriented so the bolts slide down or up, and can be installed so they slot into a receiver in the ground or door frame architrave, or into a surface mounted receiver on the frame. Our large version has longer bolts, letting you operate them easily without bending down or reaching up too high. Antique brass is whats called a living finish because it reacts to the air and