door lock dependable construction,elegant and durable material: zinc alloy finishing :AB,AC,CP..... door lockdependable construction ,elegant and durablerecommended ... for exterior and interir doormaterial:stainless steel 304,zinc alloy ,aluminium alloy ,aluminiumleft and right handed door are available ,more designs ... N,G/G,N/SB,PVDTested for over 18 million zinc alloy door lock