1. size : 60mm , 70mm ,80mm 2. finish : 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 5. --- Specification : 10*17*33 mm ~ 9.8*16.8*32.8 mm 6. ---Surface treatment : Nickel plated , NB , AB , ...