caster kit

Accessories (1)

RX Series 4 Inch Casters for SKB Roto-X Cases

3SKB-CAST: 4" Caster Kit $114.39
Most products ship in 1-3 days.

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 resistant / UV stabilized material and meet or exceed MIL-STD 810 and MIL-C-4150J specifications.

The shipping cases are all 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. (See the accessories tab below for the 3SKB-CAST1 caster kit.)

Select models are available with TSA recognized and accepted locking latches in place of stainless steel pad lockable latches.

  • Waterproof and dust tight design (MIL-C-4150J)
  • LLDPE Polyethylene impact resistant
  • UV, solvents, corrosion, fungus resistant (MIL-STD-810F)
  • Pressure relief / breather valves
  • Resistant to impact damage (MIL-STD-810F)



  • Shipping Weight: 98.0000 lb (44.4521 kg)
  • Product Weight: TBA


  • Lid Depth: 3.5000 in (8.8900 cm)
  • Base Depth: 20.5000 in (52.0700 cm)
  • Interior Length: 40.0000 in (101.6000 cm)
  • Interior Width: 24.0000 in (60.9600 cm)
  • Interior Depth: 24.0000 in (60.9600 cm)
  • Interior Cu. Volume: 13.3333 cu ft (0.3776 cu m)

Color: Black


  • Shipping Carton Length: 44.2500 in (112.3950 cm)
  • Shipping Carton Width: 28.2500 in (71.7550 cm)
  • Shipping Carton Height: 26.6250 in (67.6275 cm)
  • Shipping Carton Cu. Volume: 19.2609 cu ft (0.5454 cu m)

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3R4530-24B Cases 45"x30"x24" is a SKB Cases brand product.

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