... 3.Standard export packing 4.Strict inspection before shipment Gate safety lock cylinder: 1)Material: Brass, Zinc Alloy, Iron, Al, etc. 2 ... , iron key or brass key ( 3pcs /set , 5pcs /set) 5)Lock core: brass or zinc or steel 6)Sealed bead: brass ... Construction: Construction key, Common key9)Remark: 6 pins, 5pins Super safety double open PB cylinder