Inside: 11.5" x 8.9" x 3.1"


The 312 UltraBox is a water tight all weather mini-briefcase. With an interior that is only slightly larger than a standard letter it is deep enough to protect important documents, electronic tablets, phone, camera, etc. Accessory pluck-out foam pad layers can be added to adapt the case for sensitive electronics, gas analyzers, rf devices, etc. The o-ring seal will help to protect hand guns or special tools from rust and corrosive gasses. 

  • O-ring sealed lid protects against moisture, dust and corrosive gasses.
  • Dual purpose latches stabilize the lid and seal if dropped and automatically equalize interior pressure when opened.
  • Twin 5/32 inch padlock loops.
  • Non-slip rubber feet.
  • High impact ABS case protects contents from crushing and is field repairable or easily modified for special projects
  • Snap-on nylon strap handle with contoured rubber grip
  • Stainless steel hinge (full width) and latch pins
  • Instrument panel frame in base with 8 screw holes for OEM electronics devices
  • Waterproof: 1 meter for 30 minutes (IP67)
  • Proudly made in the USA 

Available Colours:

- Lid Pouch

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