... export packing 4.Strict inspection before shipment Double open brass lock cylinder: 1)Material: Brass, Zinc Alloy, Iron, Al, ... available 4)Key Design: Arrow Kwikset, Schlage C,Sega19,Weiser,Yale 8, Computerized Key , iron key or brass key ( ... 3pcs /set , 5pcs /set) 5)Lock core: brass or zinc or steel 6)Sealed bead: brass ... key9)Remark: 6 pins, 5pins Single open brass lock cylinder