When you're filling a seals, gaskets, and O-rings drawer, two metric assortment kits look almost interchangeable: the O Ring Kit 1050 PCS and the 1050PCS O-Ring Assortment Kit. Both are new nitrile rubber sets with 1,050 pieces in 21 sizes, so the real decision is whether you want the lower price or the more detailed use case.
Quick verdict
Choose the O Ring Kit 1050 PCS if you want the lower price and a general-purpose metric assortment. Choose the 1050PCS O-Ring Assortment Kit if you want car repair, faucet, air, and gas uses called out in the title.
At a glance
Price spread: $8.86 to $9.99.
| Consideration | O Ring Kit 1050 PCS | 1050PCS O-Ring Assortment Kit |
|---|---|---|
| Price | $8.86 | $9.99 |
| Material | Nitrile rubber | Nitrile rubber |
| Temperature | Max 120°C | -40°F to 248°F |
| Intended application | General metric assortment | Car repair, faucet, air, gas |
| Added attributes | Black color | Wear resistance, universal compatibility |
Where each product wins
- O Ring Kit 1050 PCS is the price pick. Its lower price point undercuts the other set while offering the same metric structure.
- 1050PCS O-Ring Assortment Kit is the application pick. It spells out car, faucet, air, and gas repairs, which makes it easier to match to common jobs.
Product notes
O Ring Kit 1050 PCS

This is the more economical option at $8.86. It uses black nitrile rubber and covers many common metric sizes, from 1 mm to 25 mm inside diameter. The straightforward approach makes sense when you just need a stock of small O-rings for whatever comes up. Because the size spread stops at 25 mm, any job that requires a larger inside diameter will need a different source.
1050PCS O-Ring Assortment Kit

At $9.99, this set costs about 11 percent more, but it earns that with a more descriptive title and a temperature window that includes both low and high ends (-40°F to 248°F). It also lists wear resistance and universal compatibility, which makes it easier to trust for car, faucet, air, and gas repairs. The size range still maxes out at 25 mm inside diameter, so oversized applications remain outside its reach.
Final choice by use case
If you want a general metric assortment and don't need a detailed application list, go with the O Ring Kit 1050 PCS. If you're working on vehicles, faucets, air lines, or gas fittings and want an application-focused set, the 1050PCS O-Ring Assortment Kit is the better match.