This listing is for 2 battery holders. Batteries NOT included. These are lockable mounts using the button to release the battery from the mount. These are for Kobalt 24V batteries. These will help you organize and keep up with your batteries in your home, garage, or any other workspace! Comes with holes ready for you to attach to your work surface. The mounting screws are not included as different screws may be required for your fastening surface. These are 3d printed so product look may vary slightly.