This keyed cable trigger lock is 15 inches long with 2 keys included. It will fit most handguns, rifles, shotguns, and MSR's. The device prevents rounds from being chambered, actions from engaging, cylinders from moving , and magazines from loading. The lock and cable are wrapped in vinyl for firearm finishing protection. It is easy and quick to install. Features: Both cable and lock are vinyl wrapped for excellent protection against unwanted damage to firearm Prevent rounds from being chambered, actions from engaging, cylinders from moving or magazines from loading Easy and quick installation and removal