The Quick Release Mounting Bracket allows the Desk Mate to be transported and mounted in multiple locations. The lock tabs and thumb screws allow easy transfers of the Deskmate to other locations situated with Quick Release Mounting Brackets. Tools are not necessary to transfer the Deskmate between brackets. Each bracket has pre-punched holes that enable the case to be installed directly to most surfaces. For optimum security V-Line highly recommends all Security Cases be properly installed. Recommended installation hardware: 4 each A 1/4" x 1" - 1A 1/2" lag bolts and 4 each A 1/4" flat washers (not included). Model No. 2597-MB BLK Outer Dim: 7"x 9" Ship Wt. 2 lbs.