Keze 32-Size Metric Nitrile O-Ring Kit, 1,380 Pieces

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Product guide

Keze 32-Size Metric Nitrile O-Ring Kit, 1,380 Pieces

Pieces: The Keze metric O-ring kit combines 32 listed sizes of nitrile rubber seals with four pick tools. Its broad assortment may suit mixed repair jobs, but reported fit concerns make confirming the required size for British taps especially important.

At a glance

32 metric sizes are listed, with internal diameters from 3mm to 50mm and cross-sections from 1.5mm to 3.5mm.
The stated set contains 1,380 O-rings and four pick tools: full hook, 45-degree pick, 90-degree pick and straight pick.
The listing identifies the rings as nitrile rubber and claims a working range of -40℉ (-40℃) to +248℉ (+120℃).
Suggested repair areas include taps and plumbing, vehicles, pressure washers, pumps and air or gas connections.

Price

£9.49Save 50%

Reference price: ~~£18.99~~

Price checked: 12 Nov 2026

View offer Ahead of Black FridayExplore the selection

Often bought together

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XBVV 1540 Pcs 32 Sizes O Ring Assorted O Ring Set Nitrile Kit | Nitrile assortment with hook tools seals car, plumbing, pressure washer, air and gas connections against leaks.

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Pros and cons

Pros

The wide range of listed sizes can help cover varied repair jobs without buying each size separately.
Four pick shapes are supplied for removing small seals and components in confined spaces.
The listing gives a specific material and operating-temperature range to help assess whether the rings suit a job.

Technical specifications

10 specifications

Identity
Brand	Keze
Model	ID =3mm-50mm

Materials and properties
Material listed	Nitrile Rubber
Colour	Black
Hardness	70 A
Working temperature range	-40℉ (-40℃) to +248℉ (+120℃)

Assortment
Sizes	32
Number of pieces	1380
Size sequence	ID X CS=3x1.5mm, 4.4x2mm, 5x2mm, 7x1.5mm, 10x1.5mm, 13x1.5mm, 10x2.5mm, 11x2.5mm, 13x2.5mm, 14x2.5mm, 16x2.5mm, 18x2.5mm, 19x2.5mm, 21x2.5mm, 22x2.5mm, 18x3.5mm, 20x3.5mm, 22x3.5mm, 23.5x3.5mm, 25x3.5mm, 26.5x3.5mm, 28x3.5mm, 30x3.5mm, 31x3.5mm, 33x3.5mm, 34.5x3.5mm, 36x3.5mm, 38x3.5mm, 41x3.5mm, 44x3.5mm, 47x3.5mm, 50x3.5mm

Included tools
Tool set	4-piece precision pick and hook set

What to know before buying

Listing details to confirm

The listing says the sizes are ordered R01-R32 from smallest to largest, not by their positions in the box, so identify rings by the size chart rather than layout. Customer feedback reports mixed fit and says some sizes do not suit most British taps. Match the required dimensions before relying on this assortment. The listed dimensions and claims are manufacturer-provided.

Who is it for?

A good fit for

DIY users who want a broad metric O-ring selection for mixed plumbing, automotive or equipment repairs.
Buyers who need pick tools alongside replacement seals for small-component removal.

Less suited to

Anyone who needs a guaranteed fit for a particular British tap without first matching its O-ring dimensions.
Buyers looking for a set limited to one known O-ring size or application.

Keze 32-Size Metric Nitrile O-Ring Kit, 1,380 Pieces · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 780 ratings

5 stars72%72%
4 stars17%17%
3 stars7%7%
2 stars2%2%
1 star2%2%

Customer feedback highlights the size variety, versatility and perceived usefulness of the assortment, including a report of avoiding replacement of a power washer. However, fit experiences are mixed, with customers noting that some sizes may not suit most British taps. The broad metric range may help with varied repairs, but matching the required dimensions remains important, particularly for tap work.

Positive themes

Customers describe the assortment as varied and useful for home and car repairs.
Some customer feedback reports that the kit helped avoid buying a replacement power washer.

Mixed feedback

Fit feedback is mixed, with customers reporting that some sizes are unsuitable for most British taps.

Frequently asked questions

How many sizes and pieces are listed?

The listing states 32 metric sizes and 1,380 pieces. It provides a size sequence from 3x1.5mm to 50x3.5mm.

Are the O-rings suitable for British taps?

Not necessarily. Customer feedback reports mixed fit and notes that some sizes are unsuitable for most British taps. Compare the dimensions of the seal you need before choosing.

What tools are included?

The listing claims a four-piece pick and hook set: a full hook, a 45-degree pick, a 90-degree pick and a straight pick.

What temperature range does the listing claim?

It states a working temperature range of -40℉ (-40℃) to +248℉ (+120℃). This is a manufacturer claim, not an independently verified performance result.