... , PC, SB,etc 3)T-cam:30 or 0 4)Double open with 1 row marbles 5)Used 0.3 million ... .0 or 2.2mm ;5)Lock cylinder with knob or double open ;6)Screw: 60mm, half whorl ;7)T-cam: 30 ... high accuracy and QC. Lock body,lock core and keys,knobs, are all Processed by Highly accurate CNC machine ,and our ... pairs per month. European profile brass door lock cylinder with double open