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SKB 3I Series Injection Molded Mil-Standard Waterproof Cases are molded of ultra high-strength polypropylene copolymer resin, featuring a gasketed, water and dust tight, submersible design (MIL-C-4150J) that is resistant to corrosion and impact damage.

Features a continuous molded-in hinge, patent pending “trigger release” latch system, comfortable, snap-down rubber over-molded cushion grip handle, automatic ambient pressure equalization valve (MIL-STD-648C), resistance to UV, solvents, corrosion, fungus and impact damage (MIL-STD-810F).


Waterproof and dust tight design (MIL-C-4150J) Continuous molded-in hinge for added protection Trigger release latch system Snap-down rubber over-molded cushion grip handle Ambient pressure equalization valve (MIL-STD-648C) Resistant to UV, solvents, corrosion, fungus (MIL-STD-810F) Resistant to impact damage (MIL-STD-810F)


Shipping Weight
5.00 lb (2.27 kg)

Product Weight
3.55 lb (1.61 kg)


  • Lid Depth: 1.50 in (3.81 cm)
  • Base Depth: 3.00 in (7.62 cm)
  • Interior Length: 12.00 in (30.48 cm)
  • Interior Width: 9.00 in (22.86 cm)
  • Interior Depth: 4.50 in (11.43 cm)
  • Interior Cu. Volume: 0.28 cu ft (0.01 cu m)

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3i-1209-4B is a SKB Cases brand product.

See more in these categories:

  • 3i-1209-4B
  • Angled
  • Dividers
  • Front Upright