SKB 3R3221-7B

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SKB 3R3221-7B

Product Overview

The 3R3221 Roto Molded Waterproof Utility Case includes convenient 2″ wide edge wheels for easy transport.

These Mil-Standard cases were designed to meet the most demanding military specifications. They are roto-molded for strength and durability, airtight and water proof with solid stainless steel latches and hinges that will withstand the most demanding shipping conditions.

The 3R Mil-Std. Cases are molded of (LLDPE) polyethylene impact resistand / UV stabilized material and meeo or exceel MIL-STD 810 and MIL-C-4150J specifications.

The shipping cases are available with an empty interior while some models are available with cubed foam, layered foam, padded dividers, and a pull handle with wheels. Most models without a built-in pull handle or tow handle accommodate a field installable caster kit which is sold separately.

  • Heavy duty two inch wide edge wheels with comfortable over-molded tow and carrying handles
  • Accepts the 1SKB-PDL and 1SKB-PDL-C Combination TSA Padlock
  • Waterproof and dust tight design (MIL-C-4150J / IP67)
  • LLDPE Polyethylene impact resistant
  • UV, solvents, corrosion, fungus resistant (MIL0STD-810F)
  • Pressure relief/breather valves<vr>
  • Resistant to impact amage (MIL-STD-810F)
  • Stainless steel latches and hinges
  • Cubed foam for added protection


Interior (L×W×D) = 32″ x 21″ x 4.75″
( 81.28 x 53.34 x 12.06 cm)

Exterior (L×W×D) =  35″ x 24″ x 8.75″
( 88.90 x 60.96 x 22.23 cm)

Product Weight = 12.89kg