1. key : computer key / normal key 2. size : 60mm ,70mm 3. finish : PB ,SN ,CP ,AB 4. brass cylinder , knob cylinder 1. --- Material :Brass material2. --- Pins :5 pins , 6 pins , 7 pins3.--- Key type :Brass computer keys or brass normal keys4. --- Size :60mm ,70mm , 80mm , 90mm , 100mm5. --- Specification : 10*17*33 mm ~ 9.8*16.8*32.8 mm 6. ---Surface treatment : Nickel plated , NB , AB , AC , SN ...