If this helps you please buy me a coffee!!
https://www.buymeacoffee.com/freebird

The hardware used is as follows:

Sugatsune:

Short arm flap stays: SDS100BTV Soft down stay Short armblack .
https://www.sugatsune.co.uk/s.nl/sc.3...
Contact Sugatsune with your specific requirements as there are lots of variants!

SDHP Drop Hinge (Adjustable Type)
https://www.sugatsune.co.uk/s.nl/sc.3...
Cover caps sold separately: SDHPCBL Cover Set

The little black Sugatsune nonmagnetic touch latches: MC28ROHS Touch latch
https://www.sugatsune.co.uk/s.nl/sc.3...
These are not bad latches, but I was wrong to try and use 2 at the same time!

Blum:

'Tipon' touch latch piston and keep: HI956.1004
Holder: HI956A1501
We buy from Hart wholesale. Their website is blum.org.uk type the codes in there because their weblinks often seem to change and at time of writing they have a new website in the pipeline.