Choosing The Best Plastic Knockout Box In 2022

Walking the aisles of The Container Store makes my organization-loving heart pitter-patter, but many times I leave empty-handed, feeling lost and overwhelmed with options.

Luckily, there are a ton of boxes made specifically to protect your goods.

With so many wonderful baskets and bins available, it’s hard to choose the right plastic knockout box one for the job.

We chose 10 of the most promising box options available today for side-by-side testing to find the very best.

List of 10 Best plastic knockout box : Tried and Tested

1. Arlington NM94-25 Black Button Push-In NM Cable Connector, 3/8 Trade Size, Fits 1/2-Inch Knock Outs, Black, 25-Pack

Features :

  • 3/8 Trade Size, Fits 1/2-Inch Knock Outs
  • Lowest cost NM cable connectors on the market and offer the fastest installation
  • Disconnect electrical power, insert connector into knockout, push cable in to desired length
  • Connectors offer easy smooth cable insertion for single or multiple cables and a secure hold
  • Better cable connectors for one or two cables that install easy, exceeds UL pullout tests
  • Trade Size 3/8, snaps into ½-inch knock-out to protect cables from rough metal KO edges
  • Offers the fastest method for installing single or multiple cables
  • Disconnect electrical power, insert connector into knockout, push cable in to desired length
  • Meets UL listing and CSA requirements for single or multiple cables
  • Arlington Industries Innovates to make work easy

Additional Info :

Color Black
Item Dimensions
Height 7
Width 5
Length 1
Weight 0.2

2. Baomain Plastic Black Locking Hole Plugs Panel Hole Diameter 7/8″ (22mm) HP-22 Pack of 25

Features :

  • Product Name: Locking Hole Plugs
  • Head Diameter (Approx.): 7/8″(22mm)
  • Thickness (Approx.): 3/8″(9mm)
  • Panel Hole Diameter (Approx.): 3/4”(19mm)
  • Weight: 32g; Package Content: 25 x Locking Hole Plug

Additional Info :

3. Hubbell-Raco 4714 THE INSIDER 1/2-Inch Trade Size Nonmetallic Sheathed Cable Connector, 100-Pack

Features :

  • Use The Insider in dry locations to connect one or two runs of Nonmetallic Sheathed Cable (NMSC) to a box
  • The Insider and NMSC can be used with steel boxes, panel boxes or plastic boxes with knockouts
  • The only NMSC Connector that is UL tested for use with an eccentric knockout
  • Snap-in locking tab design secures THE INSIDER into the removed 1/2-Inch knockout securely
  • Can be easily removed by pushing one of the locking wing tabs with a screwdriver

Additional Info :

4. W-family 36 Grids Hard Plastic Clear Storage Box Jewelry Earring Tool Containers with Adjustable Dividers

Features :

  • 1. 36 grids clear hard plastic storage box organizer, simple and practical.
  • 2. Plastic jewelry box size:box:27.6cm * 17.8cm * 4.5cm;grids:4.4cm * 2.7cm * 4cm.
  • 3. Stackable and easy to store.
  • 4. Removable dividers: The grid inside the box can be moved, so you can adjust the dividers to create your own size compartments.
  • 5. It can be used to store earrings, necklace, bead, finger ring or other small jewelry, also is used for storing fishing hook, fish lure bait or other small tool kit.

Additional Info :

Color Clear
Item Dimensions
Height 7.01
Width 1.77
Length 10.87
Weight 0.3

5. The Hillman Group 58179 2-1/2-Inch Hole Nylon Knock Out Seal, Black, 2-Pack

Features :

  • The knockout seal is ideal for electrical assemblies and can be used for covering knockout holes in electrical boxes
  • The nylon knock-out seal features tool-free installation that can be placed easily by hand
  • The seal features a high quality nylon that offers sturdy, reliable performance and corrosion resistance
  • The gray color is designed to replicate the look of finished steel
  • Comes with two seals, featuring a 2″ trade size and fits a 2-1/2″ diameter hole

Additional Info :

Color Black
Item Dimensions
Height 1.43
Width 3.21
Length 3.21
Weight 0.0220462262

6. iMBAPrice NM94-25 (25-Pack) Black Button Push-In NM Cable Connector, 3/8 Trade Size, Fits 1/2-Inch Knock Outs, Black

Features :

  • 3/8 Trade Size, Fits 1/2-Inch Knock Outs.
  • Lowest cost NM cable connectors on the market and offer the fastest installation.
  • Disconnect electrical power, insert connector into knockout, push cable in to desired length.
  • Connectors offer easy smooth cable insertion for single or multiple cables and a secure hold.
  • Better cable connectors for one or two cables make that install easy.

Additional Info :

7. Zaracle Hard Travelling Case for HTC Vive Cosmos – PC Shoulder Bag Protective Case Storage Box

Features :

  • Special Design:A good protective case that specifically designed for HTC Vive Cosmos and fits it snugly.
  • Large volume: With separate inner spaces to storage the HTC Vive Cosmos, controller, also other accessories such like the charging cable are also could be keep inside the net pouch.
  • Eco-friendly Material: Made of High-density EVA and 1680D Material, premium Hard EVA to provide durability and a long-lasting performance.
  • Convenient Design:The Case is semi-waterproof,anti-static, shockproof, Stylish and Durable,prevents any damages or scratches caused by accidentally bumping,dropping, secures the device in good condition on travelling or outdoors.
  • Multi-functional usage:A strong carrying case that can be assured to taked out for travelling,camping and business trip.

Additional Info :

Item Dimensions
Weight 0.771617917

8. Harry Potter Hardcover Boxed Set: Books 1-7

Features :

  • Item as on the picture
  • Cosplay accessorie item
  • Unisex
  • Warranty from the seller
  • Resale

Additional Info :

Item Dimensions
Height 10
Width 15
Length 19
Weight 20.14
Release Date 2007-10-01T00:00:01Z

9. Fuzbaxy 12pcs 1/2Inch Clamp Type Cable Connectors for Metallic Conduit Protect Cables Silver-Zinc

Features :

  • Material: zinc alloy; Size: 1/2 inches.
  • Color: Silver; Quantity: 12 Pack.
  • 1/2″ squeeze connector that fits in a standard 1/2″ electrical box punch-out.
  • Squeeze connector fit 14/2 and 12/2 romex (NM cable) perfectly as well as the knockout.
  • The wire connector is made of zinc alloy material, which is not easy to rust, is durable and practical, can be used for a long time after heat treatment, and has a corrosion-resistant zinc die-cast structure.

Additional Info :

Color 1/2 Inch

10. SuperInk 1 Pack Dustproof Electrical Junction Box Connector 9-Pole Waterproof Enclosure Case fit 20mm Cable Gland for Outdoor Use (4 7/8″ 3 1/4″ 2 1/4″) IP66 Rated

Features :

  • SuperInk Weatherproof IP66 Rated 4 7/8″ 3 1/4″ 2 1/4″ Weatherproof Junction Box for outdoor use
  • IP66 Waterproof cable connectors for cables with diameters 20mm
  • Features: waterproof / moisture proof /dustproof/ sunscreen / anti-corrosion
  • Far safer than other junction box cable connectors- NEMKO and CE approved
  • Suitable for LED billboards, LED tunnel lights, LED Road landscape lighting, LED outdoor display, LED garden lights, and so on. Further applications in coastal, river, sea or underwater engineering, underground engineering, mining engineering, solar-wind power, solar water heaters, various machinery and equipment.

Additional Info :

Color 1PK HO-038

A gift basket is a common and easy option to give to a friend, client, host, or in-laws, but all too often, they’re filled with uninspiring, bland items.

We have something for everyone here, from comforting tea to coffee and cheese to specialized things—there’s a personalized plastic knockout box for everyone in your life. If you know your giftee’s general interests, you can find them an appropriate plastic knockout box.

Buying Guide to Choose the Best plastic knockout box

Shipping Process

plastic knockout box often takes more time to ship because many are assembled to order. Also, some gift baskets can only be shipped and delivered during the week due to the inclusion of perishables. Be sure to check processing and shipping times before ordering to ensure they’ll get there in time. If you’re ordering something that includes more delicate items, like cupcakes, you should be aware that they could get damaged (visually) in transport.


The plastic knockout box come in all shapes and sizes, but you’ll definitely want to read the “What’s Included” list carefully. Some gift baskets are super niche—all cheese or all nuts, for example—and others include a variety of items with a theme—like breakfast treats. Decide whether you’d rather gift someone larger quantities of a favorite food/drink or give them a wide selection to sample.


The boxes tend to be expensive because they include many expertly curated items. If you’re on a budget, look for smaller gift baskets that curate a singular type of item—fruit or chocolate, perhaps. But, if you have a larger budget, you may be able to select a gift basket with a variety of items, including tea, cheese, and other specialty goods. Consider how much you would pay for the individual items in the basket and then factor in the convenience of a pre-packaged selection, the presentation, and the uniqueness of the items (maybe the basket includes specialty items you can’t find easily elsewhere).


Techgearlab started our packability testing by measuring the actual dimensions of every model. They evaluated the diversity of objects they could fit inside and considered the efficiency of their overall size vs. capacity. We jammed them to the brim and then tried to find specific objects buried within. We tested lids and latches, considering their effectiveness and ease of use. We also took into account the optional sizes and colors in which each bin can be purchased.


To test each model’s versatility, we stacked them (if we could) in as many places as possible to see where they work best. We put them on garage shelves and closet tops, sliding them under beds and into cuboid living room shelves. And though the aesthetic appeal of anything is very subjective, we also evaluated their general look and where they’re best suited to “living.”


Testing this metric involved a lot of toting around full bins. We checked handles for placement, comfort, and security. We considered the box’s dimensions for easy carrying downstairs and through doorways. And we scrutinized how gracefully each could handle a load of seriously heavy books.

What Features Should You Look for in a plastic knockout box?

The selection of bins at The Bruins Blog offers convenient features that make storage and organization a breeze. Features include:

  • Latching functionality – Add an extra layer of security to contents stowed inside with a latching lid. Enjoy peace of mind that the contents of the plastic knockout box will not spill during transport.
  • Decorative embellishments – If your plastic knockout box is going to stay out in the open and be seen by employees or guests, look into the sleek and presentable designs, materials, and colors available at Staples.
  • Transparent walls – When you have many identical plastic knockout box in close proximity and need to see the contents inside, look for boxes with transparent walls. The clear plastic construction makes it easier to find supplies without removing everything first.
  • Collapsible construction – Collapsible boxes fold up for compact storage when not in use. When you have intermittent storage needs, these boxes can be easily hidden away without taking up much space at all.
  • Open-top design – When you require constant and quick access to the contents inside, look or open-top storage bins. These boxes have no lids, but what they sacrifice in security they make up in sheer convenience.
  • Locking mechanism – Some plastic knockout box contain locking mechanisms for secure storage of private or sensitive documents and materials.
  • Soft material – For storing kids’ toys or pet toys, storage boxes made from fabric and other soft materials have no hard or sharp edges.
  • Airtight lid – Airtight options are great for keeping contents from oxidizing, from old documents or belongings to perishables like snacks for the office.
  • Handles – Small and medium boxes that will be moved around often benefit from handles for easy transport.
  • Wheels – Some larger bins and totes feature smooth-rolling casters for easy mobility so you can rearrange the storage containers at will with no lifting necessary.
  • Stackable – Store multiple bins easily, neatly, and efficiently with boxes that feature flat bottoms or notches that fit into indents in sister storage bins.

MATCH THE plastic knockout box TO THE USE

Before you choose a plastic knockout box for storing or moving your belongings, you’ll want to consider these factors:

  • What will you be storing? Are the items fragile or easily broken? Will the contents easily absorb odors? How valuable are these items?
  • Where will you be storing this stuff? Will you be storing inside your home in a closet where your stuff will stay cool and dry or inside your garage or attic, where they might be exposed to high temps and humidity? Do you plan to use an indoor storage unit, which can offer good protection against the elements?
  • How long will you be storing? Will this be temporary storage that’s part of a move or remodeling project or long-term storage?
  • How often will you need access? Will you be using these items occasionally, so you’d want easier access than something used just once a year or less?

Once you’re clear about these factors, you’re ready to consider the different types of storage boxes. While these range in price and quality, it’s important to choose boxes or containers that are appropriate for specific use.

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