If they are DIY windows then it’s hard to comment. All you could do would be to try them. The beauty of this is you can order them individually so you can try one first... the company I’ve used offers a no quibble return policy as well. So try it and watch the inside before you build it all back up.
How critical are body length and stroke parameters?
I am looking for Stabilus LIFT-O-MAT of 285mm length, but can't source any models either for 8*19 or 10*22...
HIn a word...... Very ! The overall length must be 270mm for them to fit. Any longer and you won’t get them in place. The stroke length has a little tolerance +- 5mm but the overall length is crucial.
Thanx. I am wondering of ball fittings. On that website you quoted they offer lenths 19 and 25mm for a 10mm ball. Which one to buy?
OK I've removed the left side strut and can measure it directly
Oh pain - they don't ship to Russia. Wrote them a letter.
The 85kg are safe, no damages for 2 years now. Nakos i ship to Russia , 50 are the struts of 85kg and dont know the shipping.