Mounting your vault is the most secure way to protect against theft or unauthorized access. The HDX Mounting Bracket makes is easy to securely mount your handgun vault to the floor. Compatible models include: HD-200, HD-300, HDX-225, CDX-250, HDX-250, JDX-250 and JDX-350 vaults. Vault removal is also quick and simple with included wing nuts. Mounting bracket will not work with the HDX-150 or other smaller units. Mounting hardware included, some tools required.