The quickest way to find a seal
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Maintenance tools, the perfect tools for maintaining your machinery

Maintenance tools for measuring O-rings (measuring cones, OR gauge, composition detector…) tools for the assembly and maintenance of collars, special packs of seals in various sizes and materials (with up to 1,525 O-rings, divided amongst the most commonly-used sizes).

At JIOrings we make all the data available to you about tools with all the content, with the measures and everything else you need to answer any questions you may still have about our maintenance tools.

If you wish to ask for a quote you can do so from here, clicking the corresponding button which can be found below. Equally, if you prefer to make your order, you’re in luck, because you can do that too right here, on our online shop, which is always available for your convenience. We are the quickest way to find a seal, so much so that if you are located on the Iberian Peninsula you will receive your order in less than 24 hours. That’s fast, right?

Maintenance tools, details

Cono medidorMeasurement cone

Measurement cone to match 184 standard imperial sizes: ID from 6.35mm to 140mm and thicknesses 1.78, 2,62, 3.53, 5.33 and 6.99. High-density-polyurethane-made, the cone has a 450mm total height.


The OR-Gauge enables to match the sizes of imperial O-Rings up to ID 330mm and in different thicknesses with an accurate precision.

Detector compuestosCompound detector

The compound detector looks like a pencil so that it is always at your fingertips. Easy to use, it enables to match the compound of an O-Ring (EPDM, NBR, FPM, FFKM) just by watching the rebound of the weight.