Specifications Type: Battery Holder Material: ABS Color: Red Application: Fit for Milwaukee M18 18V batteries. Install：Mount this battery holder on a wall or under a shelf with the included screws. Package List: 10*Battery Holders 20*Screws About this item The Battery Holder perfect fit for Milwaukee for M18 18V Battery and very easy to use. They work well for hanging your batteries in an organized way on a wall or under a shelf. Your batteries 'click' in place using the batteries existing locking mechanism can hold batteries solid and are easily removed just with one click of the batteries release button. Once the battery has been locked safely in the dock, it won't fall out even while traveling. This Battery Storage Organizers are specially designed to be used in workshops, under shelves, or fitted to a truck panels tool box. Color coded to match your tools, perfectly space out your batteries. You could adjust the battery type and place position according to your needs. Made of strong ABS plastic, super durable. The battery holder has countersunk head screw holes can be installed at any angle, upside down or placed under the shelf.