The basic premise is professional installation using our PROFI drilling template. Thanks that you can prepare precise door holes, where the sleeves (rollers) are firmly fixed of two fitting halves through the lock and prevent the later loosing and wobbling of handles.
Do not underestimate this recommendation and install the M&T fittings using our PROFI drilling template. After that you will be happy with the fitting M&T for long time.
Assembly instructions of rosette fitting with bottom WC rosette.