security cylinder

ABC cylinder is mainly designed for the theme of the master security. 1. A,C key with the sealing plastic packaging,(A key is black plastic handle,total 5pcs. C key as brass color) A,C key except the master,other people can not be opened in order to give the owner security guarantees. A key can be used before and after insurance function failure. 2. B key is provided to installation worker,as red plastic handle,total 2pcs. 3. When install finished,after master acceptance,only use C key to insert cylinder with a 360 degree rotation,B key will lapsed automatically, A,C can use as usual. 4. Prior to the master use,be sure try to use C key to open. 1)ABC type anti_theft lock cylinder 2)computer keys 3)Natural color 4)cylinder locks/door cylinders/security cylinder Cylinder Body diameter:17mm/16.8mm Cylinder Body width:33mm/32.8mm Cam Radius:10mm/9.8mm The length as your requestments. If you have interest,pls be free to contact me. We can according to your requirement!