... .5*16.5*9.5mm Surface:GP,NP,CP,AB euro profile door cylinder of door lockMaterial: Brass, Zinc Alloy, Iron, Al, etc ... ,70mm,80mm,83mm,90mm Cam : sintered steel ( very hardened ) Key : iron key or brass key ( 3pcs /set , 5pcs /set ) Lock core ... : brass or zinc Sealed bead: brass and iron ( we can do 5 or 6 pcs hoodles by customers ...