How do you clean the hardware?
It is recommended that you clean the hardware with only a cloth and no harsh chemicals. Chemicals can cause the finish to wear off, which in turn will void most warranties that cover normal wear and tear.
Emtek Quincy 8131 LW US15
Alno Inc. Creations C211-CLR/PC
Alno Inc. Creations C214-CLR/PN
Alno Inc. Creations C210-CLR/PN