Which Brand / Product

[SirLancelot]

Hoping the community can help,

Attempting to identify the manufacturer & product line of the following:

With thanks,

SL

 

[RandomGrinch]

Hi,

Possibly a Roto Doorline 108?
https://upvcspares4repairs.co.uk/roto-doorline-108-flag-door-hinge-white-heavy-duty.html