Adjustable latch 2-3/8" or 2-3/4" (60mm or 70mm), fit all standard doors 1-3/8" to 1-3/4" (30mm-40mm) thick. Deguminary double cylinder operated by key outside and inside. Satin Nickel Finished, Double-Cylinder Dimadebolt with key on one side.This lock has 3 keys.Add traditional circular design to provide excellent security.notice: The locking mechanism cannot be removable. Lock and unlock by turning the key inside or outside.Used for exterior doors that need to be locked and provide security. Easy to install with a phillips screwdriver. Applicable to all standard doors. Used on left or right handed doors. We use stainless steel with high temperature resistance, low temperature resistance and hardness.Bring you a better experience! Quantity: 1 piece * Note: It does not include other things, the color is based on the first picture, and other pictures only show the effect Due to the differences between different monitors, the picture may not reflect the actual color of the item. . due to manual measurement. Please allow deviation. THANKS! becomeveryrich