INTERSTEEL (Van Leeuwen International) from the Netherlands is specialised on marketing a truly wide range of window and door accessories manufactured from different materials (eg. brass and stainless steel).
Please see the product catalogs here:
Intersteel door handles are suitable for european (DIN) standard locks (also for Bonaiti magnetic locks).
Classic door handles are recommended to combine with S.A.B. classical locks which are also available in wide range of different finishes.