1)cylinder 2)Brass cylinder and keys 3)finish:bp np cp ab 4)cam: sintered steel 5)Standard: european standard EN1303 1)normal knob cylinder 2)length: 40mm--120mm 3)Cam:sintered steel 4)hoodle: 6pcs 5)Standard:european standard en1303 6)Half cylinder, double cylinder, single cylinder, bathroom cylinder