... PB ,SN ,CP ,NP 3. type : knob cylinder 4. brass cylinder , single cylinder 1. --- Material : Brass material 2. --- Pins : 5 pins , 6 pins ... , 7 pins 3.--- Key type : Brass computer keys or brass normal keys 4. --- Size : 60mm ,70mm , 80mm , 90mm , 100mm ... CP, SN, NBKey TypeS normal key, computer key Material brass body , brass core packing white box, color box, blister cardunit pricebased ...