I got some for a kitchen helper. For these to sit flush the frame and door has to be a specific thickness correct? Mine are 19mm so now I've got some more work to do
Here you go www.richelieu.com/us/en/category/hinges-slides-and-opening-systems/hinges-and-accessories/european-style-hinges/onward-hinges/miscellaneous-hinges/invisible-hinges/1209180/sku-BP1062GU