Make sure that the diameter is correct for your type skate, the width of inline skate wheels are always the same, If you are not sure these wheels will fit your skate, you can always contact us

The kaltik brand is an ireland based brand established in 2002, they always thrive towards innovation and quality inline skate parts, accesories, and clothing

More information about Kaltik can be found here:
https://kaltik.eu/

More information about wheels in general here:
http://thisissoul.com/general-info-on-inline-skating-wheels