SKU: 37138626735

SKB Cases 3RS-4U20-22B, 20-Inch Static Shock Rack Transport Case - Black

Sale price$726.75 Regular price$807.50
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Ships within 48 hours · Estimated delivery Aug 17 - Aug 22

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Description

SKB Cases 3RS-4U20-22B, 20-Inch Static Shock Rack Transport Case - BlackThe SKB Cases 3RS 4U20 22B, 20 Inch Static Shock Rack Transport Case Black 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, and perfect for protecting and transporting your sensitive electronic equipment. The inner rack chassis is built of high strength (but lightweight) aluminum alloy extrusions with 11 gauge hot rolled carbon steel rack rails

The SKB Cases 3RS-4U20-22B, 20-Inch Static Shock Rack Transport Case - Black 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, and perfect for protecting and transporting your sensitive electronic equipment. The inner rack chassis is built of high strength (but lightweight) aluminum alloy extrusions with 11 gauge hot rolled carbon steel rack rails to meet EIA-310 standards. Shock and vibration mitigation are accomplished with eight (8) elastomeric isolators rated for a payload range of 40 lbs to 150 lbs in a standard configuration (optional extended payload range of 160 lbs to 300 lbs can be accommodated as a special-order option). The interior frame and shocks provide adequate sway for ambient air circulation and heat dissipation.

3RS Series cases are molded of LMDP Linear Medium Density Polyethylene plastic that meets or exceeds MIL-STD 810G standards. Measuring 20" deep from rail to rail with a standard 19" rack width per ANSI/EIA-310-C specification, 3RS Shock Racks also 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. Available in Black (standard), Desert Tan, and OD Green.

Product Specification:

Height (Rack Units): 4U

Width: 23.8 in

Depth: 31.5 in

Height: 13.5 in

Rugged: Yes

Material: Linear medium-density polyethylene (LMDP)

Color: Black

Type: Rack case

Protection: Waterproof, shockproof, chemical-resistant, dust-resistant, impact protection, heat-resistant

Carrying Strap: Side handles, coupling straps

Maximum Weight Capacity: 149.9 lbs

Inner Dimensions: 19 in x 24 in x 7 in

Service & Support: Lifetime

Package Weight: 40.73 lb

Box Dimensions (LxWxH): 31.9 x 24.3 x 14.1"

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: 37138626735

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4.9 ★★★★★
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Verified Purchase
Lauren A. Pimental
Lexington, US
★★★★★ 5
Must have for shark loves
Format: Paperback
My son is obsessed with Sharks and sea animals. We read this book all the time. The pictures are great and has tons of information on sharks and different types of sharks. Great purchase
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 12, 2026
G
Verified Purchase
Giovanna
West Palm Beach, US
★★★★★ 5
Perfect first shark book for littles
Format: Paperback
The book is super easy to read to my 4 year old son! He’s been really into sharks so I wanted something that was overpowered by facts on each page. This one is perfect! Each page has a different shark and the page do not have lengthy text but enough to still be educational. Keeps his attention and he’s able to learn a little bit about each shark. Perfect first shark book!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026
K
Verified Purchase
karina H
Omaha, US
★★★★★ 5
Great book for toddler who loves sharks!
Format: Paperback
My son who is two loves sharks and this book was perfect for him. I love the little facts in there.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 15, 2026
D
Verified Purchase
Dawn Evans
Lowell, US
★★★★★ 5
Great pictures and good information
Format: Paperback
Wonderful pictures allow my 3 yr old grandson to not only learn about many sharks , but good information as well. He can name the sharks , memorizing them perhaps, but yet has learned the distinct features of many from this book.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 6, 2025
B
Verified Purchase
Book worm
Chelsea, US
★★★★★ 5
Surprisingly awesome
Format: Paperback
This book is awesome. I was pleasantly surprised at the detailed information inside considering its price. My kids are 2 and 5 and love looking at the pictures while I read the information to them. It’s not so overboard that my it’s over my 5 year old’s head but detailed enough to supply him with new knowledge. This is perfect to go along with our household shark obsession.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 3, 2025

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