SKU: 55213953511

SKB Cases 3RR-4U20-22B, 4U 20-inch Deep RR Series Shock Rack Case

Sale price$814.50 Regular price$905.00
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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17

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Description

SKB Cases 3RR-4U20-22B, 4U 20-inch Deep RR Series Shock Rack CaseThe SKB Cases 3RR 4U20 22B, 4U 20 inch Deep RR Series Shock Rack Case are available in 8 sizes: 3U, 4U, 5U, 6U, 7U, 9U, 11U and 14U. These Shock Racks are lightweight, shockproof, watertight, dustproof, heat and chemical resistant, perfect for protecting and transporting your sensitive electronic equipment. Molded of LMDP Linear Medium Density Polyethylene plastic that meets or exceeds MIL STD 810G standards, these Shock Racks also include 8

The SKB Cases 3RR-4U20-22B, 4U 20-inch Deep RR Series Shock Rack Case are available in 8 sizes: 3U, 4U, 5U, 6U, 7U, 9U, 11U and 14U. These Shock Racks are lightweight, shockproof, watertight, dustproof, heat and chemical resistant, perfect for protecting and transporting your sensitive electronic equipment.

Molded of LMDP Linear Medium Density Polyethylene plastic that meets or exceeds MIL-STD 810G standards, these Shock Racks also include 8 elastomeric shock absorbers which allow for a standard payload range of 40 to 150 lbs (optional extended payload range of 160 to 300 lbs can be accommodated as a special-order option). The 20" 3RR Series Removable Racks are 20" deep from rail to rail with a standard 19" rack width per ANSI/EIA-310-C specification and feature square-hole rack rails to accommodate either #10-32 US standard or 6mm International standard cage nuts which are supplied with the cases.

The rugged roto-molded shell ensures industry leading strength and impact resistance. The standard commercial off the shelf (COTS) case comes with 2" deep front and rear lids to accommodate rack gear that is longer than 20". Molded-in stacking ribs and lugs are designed to stack with all SKB 3RR and 3RS cases, as well as competitive manufacturer cases, and feature black powder coated stainless steel hardware that is recessed for protection and 4 comfort grip spring loaded lift handles which allow for easy movement. An automatic pressure relief valve is another standard feature along with gasket sealed lids that include convenient lid hangers to store your lids when your equipment is in operation. Coupling straps are included for securing the racks together when stacked.

The interior of the case features a removable rack with a patent pending "positive lock" latching system that slides open like a file drawer, allowing full access to racked equipment. The interior rack is also completely removable allowing complete frame access for bench integration. Available in Black (standard), Desert Tan, and OD Green.

Product Specification:

Exterior: Hard

Removable Rack: Yes

Rack Units: 4

Front Rail to Back Lid: 24.75 in

Rail to Rail: 19.75 in

Rear Rail to Front Lid: 24.75 in

Product Weight: 47.93 lb

Exterior Length: 31.5 in

Exterior Width: 24 in

Exterior Height: 13.5 in

Package Weight: 51.71 lb

Box Dimensions (LxWxH): 32 x 24.5 x 14"

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 55213953511

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4.6 ★★★★★
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Verified Purchase
Jamie M. Keil
Los Angeles, US
★★★★★ 4
Very handy
Color: Brown-2 Set
Great way to organize my dresser and good quality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 16, 2026
A
Verified Purchase
Amazon Customer
Natrona Heights, US
★★★★★ 5
Great for a nightstand
Color: Black-2 Set
Love these to hold EDC items overnight. decent quality, good size, everything fits. Fair value for the price. But it looks very nice, even when full. Hapy with my purchase
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 27, 2025
M
Verified Purchase
Mr. Spice Cakes
Grantham, US
★★★★★ 5
I like these helped me organize my mess
Color: Brown-2 Set
I bought the two pack of these to organize a drawer with a bunch of my stuff that was just too cluttered for my liking. I may be mildly ocd. They really improved things. They seem to be decent quality. I consider them to be a good value for the money. They function well for my use and also look good.
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Reviewed in the United States on December 4, 2025
B
Verified Purchase
Brandy Paul
Battle Creek, US
★★★★★ 5
Organize my husband
Color: Black
He loves that it holds everything. I LOVE that it holds EVERYTHING and it’s not all over his dresser 😉
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Reviewed in the United States on February 22, 2026
T
Verified Purchase
Tyler Dugger
Grantham, US
★★★★★ 5
Worth it
Color: Black
Solid build and quality materials. Sleek design looks nice on the dresser.
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Reviewed in the United States on February 23, 2026

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