1) brass body , brass core , brass knob 2) finish : PB , AB ,AC , CP , NP 3) size : ... 50mm ,60mm ,70mm 4) knob cylinder lock 1. body : brass core : brass knob : brass2. pin : 5 or 6 pins according to customer ... 's requestment3. key : brass keys or iron keys,normal key way and computer key ...