... , SB,etc 3)T-cam:30 or 0 4)Double open with 1 row marbles 5)Used 0.3 million times ... European profile brass door lock cylinder 1)Material: brass;2)Size: 60mm,65mm,70mm ... or 2.2mm ;5)Lock cylinder with knob or double open ;6)Screw: 60mm, half whorl ;7)T-cam: 30 or ... cylinders, it is about 150,000 pairs per month. standard door lock cylinder with double open