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Plumbing Repair Products & Kits

Neiko Tools 407-Piece Rubber O-Ring Assortment Kit - 32 SAE Sizes

Neiko Tools 407-Piece Rubber O-Ring Assortment Kit - 32 SAE Sizes
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Neiko Tools 407-Piece Rubber O-Ring Assortment Kit - 32 SAE Sizes



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List Price: $19.99
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O-Ring sizes: (20) 1/8"x1/16", (20) 3/16"x1/16", (20) 1/4"x1/16", (20) 5/16"x1/16", (20) 3/8"x1/16", (20) 1/2"x1/16", (13) 3/8"x3/32", (13) 7/16"x3/32", (13) 1/2"x3/32", (13) 9/16"x3/32", (13) 5/8"x3/32", (13) 11/16"x3/32", (13) 3/4"x3/32", (13) 13/16"x3/32", (13) 7/8"x3/32", (10) 3/4"x1/8", (10) 13/16"x1/8", (10) 7/8"x1/8", (10) 15/16"x1/8", (10) 1"x1/8", (10) 1-1/16"x1/8", (10) 1-1/8"x1/8", (10) 1-3/16"x1/8", (10) 1-1/4"x1/8", (10) 1-5/16"x1/8", (10) 1-3/8"x1/8", (10) 1-7/16"x1/8", (10) 1-1/2"x1/8", (10) 1-5/8"x1/8", (10) 1-3/4"x1/8", (10) 1-7/8"x1/8", (10) 2"x1/8".

  • Universal O-Ring assortment - perfect for weekend warriors or professional workshops and garages

  • Comes with 32 different sizes in SAE measurements, for your kitchen, sink, or your car

  • ABS storage case included

Product Details:
Product Length: 11.0 inches
Product Width: 7.0 inches
Product Height: 2.0 inches
Package Length: 11.1 inches
Package Width: 7.0 inches
Package Height: 1.9 inches
Package Weight: 1.45 pounds
Average Customer Rating: based on 85 reviews
Customer Reviews:
Average Customer Review:4.5 ( 85 customer reviews )
Write an online review and share your thoughts with other customers.

Most Helpful Customer Reviews

31 of 35 found the following review helpful:

2The variance in size is greater than it should be - May not fit most applications  Sep 22, 2011
By T. Sessoms

If you Google "oring sizes" or something like "oring asa chart" you'll find several good links for almost all major oring standardized sizes. This kit contains several of those, but the problem is their variance for sizing is far too much. Most good oring sources provide you orings with variance in the 4th decimal range (.000x), which is good.

These seem to vary by as much as .0x, which makes them useless for many replacement needs. Great if you're building something and make the size up as you go. These seem to be running "thinner" than they should be. For instance, some of them should have a cross-section (thickness) of 3/32" (0.0937) but seem to be more along the lines of .08 or less, which makes the entire oring the wrong size. Even when it's the right size, being too thin they won't seal as well or at all.

I have purchased orings in bulk from a major industrial supplier, easily found online, and their orings are spot-on. The ones in this kit are just kinda "meh".


I needed to replace burst orings on a high-pressure washer, and a few of the orings in this kit fit just right. I've also used them on a really, really old paintball marker. That's about it.


They came in a pretty hardcore case, solid plastic. It'll last forever, but the hinge system occasionally hangs up.


If you need accurate oring sizes, accurate replacement orings, your best bet would be to source them elsewhere. Certainly not this kit.

11 of 11 found the following review helpful:

5Great Selection and Storage  Dec 26, 2009
By Alfred J
This assortment was an excellent purchase for me. Not only does it keep the gaskets organized and available, it has application all over the house. I've used it to fix a broken fuel cap gasket on a Craftsman chainsaw (the OEM fix was about $20), and to seal a hand pump for soap that habitually leaked until I installed the right size gasket from this kit. I would certainly buy this item again.

8 of 8 found the following review helpful:

5Very Happy  May 03, 2009
By Edgar H. Tan, MD "The Healer"
I love DIY in the house and I couldn't be more than pleased to have this O-rings handy in the house for pipe leaks and faucet leaks. It's handy and I believe that all households should have this handy for some trouble shooting water leaks....a must have!!! I got mine fixed because of this....with all the different sizes available at your disposal you can be sure you will have the size the fits....

5 of 5 found the following review helpful:

3Neiko O-Ring Assortment  Jul 07, 2013
By wickjeff
Purchased this O-Ring assortment to have some variety on hand for times I need a replacement. It's nice to have the variety of sizes and saves me a bunch of trips up to the parts store. However, as other reviewers have noted, this product does contain lead. The big warning label on the bottom explicitly states this. I'm not to thrilled with the lead formulation, as I would think that in this day and age we wise enough to element this element in all but necessary applications. However, these are made in China, and i'm fairly certain they don't give much thought to the harmful junk they ship to America.

8 of 9 found the following review helpful:

5handy to have  Nov 24, 2007
By Jack W. Wolfe
great set if you use O rings alot as I do they have everyone you could want

See all 85 customer reviews on
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